🕷️ Crawler Inspector

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Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 40 (from laksa010)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa040.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548","crawl_time":1775017189,"first_indexed_time":1507812307,"http_code":200,"src_unparsed":"org,mayoclinic!www,\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548 s443","src_root_hash":"1608882045018104440","history_drop_reason":null,"meta_title":"Orthostatic hypotension (postural hypotension) - Symptoms & causes - Mayo Clinic","meta_descriptions":["This form of low blood pressure might cause dizziness, lightheadedness or fainting when rising from sitting or lying down."],"attrs_boilerpipe_text":"On this page\nOverview\nOrthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting.\nOrthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up.\nOccasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause.\nProducts & Services\nThe most common symptom of orthostatic hypotension is lightheadedness or dizziness when standing after sitting or lying down. Symptoms usually last less than a few minutes.\nOrthostatic hypotension signs and symptoms include:\nLightheadedness or dizziness upon standing\nBlurry vision\nWeakness\nFainting (syncope)\nConfusion\nWhen to see a doctor\nOccasional dizziness or lightheadedness can be minor — triggered by mild dehydration, low blood sugar or overheating. Dizziness or lightheadedness can also result from standing after sitting for a long time. If these symptoms happen only occasionally, there's likely no cause for concern.\nIt's important to see a health care provider for frequent symptoms of orthostatic hypotension. Losing consciousness, even for just a few seconds, is serious. It requires seeing a provider right away.\nKeep a record of your symptoms, when they occurred, how long they lasted and what you were doing at the time. Tell your care provider if symptoms occur at times that could be dangerous, such as while driving.\nFrom Mayo Clinic to your inbox\nSign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health.\nClick here for an email preview.\nWe use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our\nNotice of Privacy Practices\n. You may opt out of email communications at any time by clicking on the unsubscribe link in the email.\nCauses\nWhen standing from a sitting or lying position, gravity causes blood to collect in the legs and belly. Blood pressure drops because there's less blood flowing back to the heart.\nUsually, special cells (baroreceptors) near the heart and neck arteries sense this lower blood pressure. The baroreceptors send signals to the brain. This tells the heart to beat faster and pump more blood, which evens out blood pressure. These cells also narrow the blood vessels and increase blood pressure.\nOrthostatic hypotension occurs when something interrupts the body's process of dealing with the low blood pressure. Many conditions can cause orthostatic hypotension, including:\nDehydration.\nFever, vomiting, not drinking enough fluids, severe diarrhea and strenuous exercise with a lot of sweating can all lead to dehydration. Dehydration decreases blood volume. Mild dehydration can cause symptoms of orthostatic hypotension, such as weakness, dizziness and fatigue.\nHeart problems.\nSome heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions prevent the body from quickly pumping more blood when standing up.\nEndocrine problems.\nThyroid conditions, adrenal insufficiency (Addison's disease) and low blood sugar (hypoglycemia) can cause orthostatic hypotension. So can diabetes, which can damage the nerves that help send signals that control blood pressure.\nNervous system disorders.\nSome nervous system disorders, such as Parkinson's disease, multiple system atrophy, Lewy body dementia, pure autonomic failure and amyloidosis, can disrupt the body's ability to control blood pressure.\nEating meals.\nSome people have low blood pressure after eating meals (postprandial hypotension). This condition is more common in older adults.\nRisk factors\nThe risk factors for orthostatic hypotension include:\nAge.\nOrthostatic hypotension is common in those who are age 65 and older. Special cells (baroreceptors) near the heart and neck arteries that control blood pressure can slow as you age. It also can be harder for an aging heart to speed up to make up for drops in blood pressure.\nMedications.\nThese include medications used to treat high blood pressure or heart disease, such as diuretics, alpha blockers, beta blockers, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors and nitrates.\nOther medications that can increase the risk of orthostatic hypotension include medications used to treat Parkinson's disease, certain antidepressants, certain antipsychotics, muscle relaxants, medications to treat erectile dysfunction and narcotics.\nCertain diseases.\nDiseases that can increase the risk of low blood pressure include some heart conditions, such as heart valve problems, heart attack and heart failure. They also include certain nervous system disorders, such as Parkinson's disease. And they include diseases that cause nerve damage (neuropathy), such as diabetes.\nHeat exposure.\nBeing in a hot environment can cause heavy sweating and possibly dehydration, which can lower blood pressure and trigger orthostatic hypotension.\nBed rest.\nStaying in bed for a long time because of an illness or injury can cause weakness. This can lead to orthostatic hypotension.\nAlcohol.\nDrinking alcohol can increase the risk of orthostatic hypotension.\nComplications\nPersistent orthostatic hypotension can cause serious complications, especially in older adults. These include:\nFalls.\nFalling as a result of fainting is a common complication in people with orthostatic hypotension.\nStroke.\nThe swings in blood pressure from standing and sitting as a result of orthostatic hypotension can be a risk factor for stroke due to the reduced blood supply to the brain.\nCardiovascular diseases.\nOrthostatic hypotension can be a risk factor for cardiovascular diseases and complications, such as chest pain, heart failure or heart rhythm problems.\nMay 26, 2022\nOrthostatic hypotension. Merck Manual Professional Version. https:\/\/www.merckmanuals.com\/professional\/cardiovascular-disorders\/symptoms-of-cardiovascular-disorders\/orthostatic-hypotension. Accessed March 5, 2022.\nPalma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https:\/\/www.uptodate.com\/contents\/search. Accessed March 5, 2022.\nAskMayoExpert. Orthostatic hypotension. Mayo Clinic; 2021.\nOrthostatic hypotension information page. National Institute of Neurological Disorders and Stroke. https:\/\/www.ninds.nih.gov\/Disorders\/All-Disorders\/Orthostatic-Hypotension-Information-Page. Accessed March 5, 2022.\nPalma J, et al. Treatment of orthostatic and postprandial hypotension. https:\/\/www.uptodate.com\/contents\/search. Accessed March 5, 2022.\nShen WK, et al. 2017 ACC\/AHA\/HRS guideline for the evaluation and management of patients with syncope. Heart Rhythm. 2017; doi:10.1016\/j.hrthm.2017.03.004.\nPeixoto AJ. Evaluation and management of orthostatic hypotension: Limited data, limitless opportunity. Cleveland Clinic Journal of Medicine. 2022; doi:10.3949\/ccjm.89gr.22001.\nMagkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111\/jch.13521.\nOrthostatic hypotension (postural hypotension) - Symptoms & causes - Mayo Clinic\nAssociated Procedures\nProducts & Services\nCON-20303971\nNational Doctors’ Day is March 30!\nYour gift to celebrate this day advances our doctors’ lifesaving work.","attrs_markdown":"[Skip to content](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#main-content)\n\n[![Mayo Clinic Home Page](https:\/\/assets.mayoclinic.org\/content\/dam\/mayoclinic\/images\/logos\/mayo-clinic-logo.svg)](https:\/\/www.mayoclinic.org\/)\n\n[![Mayo Clinic Home Page](https:\/\/assets.mayoclinic.org\/content\/dam\/mayoclinic\/images\/logos\/mayo-clinic-logo.svg)](https:\/\/www.mayoclinic.org\/)\n\n- [Request appointment](https:\/\/www.mayoclinic.org\/appointments)\n- [Log in](https:\/\/onlineservices.mayoclinic.org\/content\/staticpatient\/showpage\/patientonline)\n- Search\n- Menu\n  \n  [Request appointment](https:\/\/www.mayoclinic.org\/appointments)\n  \n  [Donate](https:\/\/give.mayoclinic.org\/give\/609586\/#!\/donation\/checkout)\n  \n  [Diseases & conditions](https:\/\/www.mayoclinic.org\/diseases-conditions)\n  \n  [Find a doctor](https:\/\/www.mayoclinic.org\/appointments\/find-a-doctor)\n  \n  - 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[Diseases & Conditions](https:\/\/www.mayoclinic.org\/diseases-conditions)\n# Orthostatic hypotension (postural hypotension)\n[Request an appointment](https:\/\/www.mayoclinic.org\/appointments)\n***\n- [Symptoms & causes](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [Diagnosis & treatment](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/diagnosis-treatment\/drc-20352553)\n- [Doctors & departments](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/doctors-departments\/ddc-20352555)\n\n## On this page\n- [Overview](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#overview)\n- [Symptoms](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#symptoms)\n- [When to see a doctor](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#when-to-see-a-doctor)\n- [Causes](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#causes)\n- [Risk factors](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#risk-factors)\n- [Complications](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548#complications)\n\n***\n## Overview\n\nOrthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting.\n\nOrthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up.\n\nOccasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause.\n\n### Products & Services\n- [A Book: Mayo Clinic Family Health Book](https:\/\/order.store.mayoclinic.com\/flex\/mmv\/fhblc01\/?altkey=FHBORG&utm_source=MC-DotOrg-PS&utm_medium=Link&utm_campaign=FamilyHealth-Book&utm_content=FHB)\n- [Newsletter: Mayo Clinic Health Letter — Digital Edition](https:\/\/order.store.mayoclinic.com\/flex\/mmv\/hldigar\/?altkey=HLEMORG)\n\n***\n## Symptoms\n\nThe most common symptom of orthostatic hypotension is lightheadedness or dizziness when standing after sitting or lying down. Symptoms usually last less than a few minutes.\n\nOrthostatic hypotension signs and symptoms include:\n\n- Lightheadedness or dizziness upon standing\n- Blurry vision\n- Weakness\n- Fainting (syncope)\n- Confusion\n\n***\n## When to see a doctor\n\nOccasional dizziness or lightheadedness can be minor — triggered by mild dehydration, low blood sugar or overheating. Dizziness or lightheadedness can also result from standing after sitting for a long time. If these symptoms happen only occasionally, there's likely no cause for concern.\n\nIt's important to see a health care provider for frequent symptoms of orthostatic hypotension. Losing consciousness, even for just a few seconds, is serious. It requires seeing a provider right away.\n\nKeep a record of your symptoms, when they occurred, how long they lasted and what you were doing at the time. Tell your care provider if symptoms occur at times that could be dangerous, such as while driving.\n\n[Request an appointment](https:\/\/www.mayoclinic.org\/appointments)\n\n## From Mayo Clinic to your inbox\nSign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. [Click here for an email preview.](https:\/\/links.e.response.mayoclinic.org\/EmailPreview-GeneralHealth)\n\nLearn more about Mayo Clinic’s use of data.\n\nWe use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our [Notice of Privacy Practices](https:\/\/mcforms.mayo.edu\/mc5200-mc5299\/mc5256-01.pdf). You may opt out of email communications at any time by clicking on the unsubscribe link in the email.\n\n***\n## Causes\n\nWhen standing from a sitting or lying position, gravity causes blood to collect in the legs and belly. Blood pressure drops because there's less blood flowing back to the heart.\n\nUsually, special cells (baroreceptors) near the heart and neck arteries sense this lower blood pressure. The baroreceptors send signals to the brain. This tells the heart to beat faster and pump more blood, which evens out blood pressure. These cells also narrow the blood vessels and increase blood pressure.\n\nOrthostatic hypotension occurs when something interrupts the body's process of dealing with the low blood pressure. Many conditions can cause orthostatic hypotension, including:\n\n- **Dehydration.** Fever, vomiting, not drinking enough fluids, severe diarrhea and strenuous exercise with a lot of sweating can all lead to dehydration. Dehydration decreases blood volume. Mild dehydration can cause symptoms of orthostatic hypotension, such as weakness, dizziness and fatigue.\n- **Heart problems.** Some heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions prevent the body from quickly pumping more blood when standing up.\n- **Endocrine problems.** Thyroid conditions, adrenal insufficiency (Addison's disease) and low blood sugar (hypoglycemia) can cause orthostatic hypotension. So can diabetes, which can damage the nerves that help send signals that control blood pressure.\n- **Nervous system disorders.** Some nervous system disorders, such as Parkinson's disease, multiple system atrophy, Lewy body dementia, pure autonomic failure and amyloidosis, can disrupt the body's ability to control blood pressure.\n- **Eating meals.** Some people have low blood pressure after eating meals (postprandial hypotension). This condition is more common in older adults.\n\n***\n## Risk factors\n\nThe risk factors for orthostatic hypotension include:\n\n- **Age.** Orthostatic hypotension is common in those who are age 65 and older. Special cells (baroreceptors) near the heart and neck arteries that control blood pressure can slow as you age. It also can be harder for an aging heart to speed up to make up for drops in blood pressure.\n- **Medications.** These include medications used to treat high blood pressure or heart disease, such as diuretics, alpha blockers, beta blockers, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors and nitrates.\n  Other medications that can increase the risk of orthostatic hypotension include medications used to treat Parkinson's disease, certain antidepressants, certain antipsychotics, muscle relaxants, medications to treat erectile dysfunction and narcotics.\n- **Certain diseases.** Diseases that can increase the risk of low blood pressure include some heart conditions, such as heart valve problems, heart attack and heart failure. They also include certain nervous system disorders, such as Parkinson's disease. And they include diseases that cause nerve damage (neuropathy), such as diabetes.\n- **Heat exposure.** Being in a hot environment can cause heavy sweating and possibly dehydration, which can lower blood pressure and trigger orthostatic hypotension.\n- **Bed rest.** Staying in bed for a long time because of an illness or injury can cause weakness. This can lead to orthostatic hypotension.\n- **Alcohol.** Drinking alcohol can increase the risk of orthostatic hypotension.\n\n***\n## Complications\n\nPersistent orthostatic hypotension can cause serious complications, especially in older adults. These include:\n\n- **Falls.** Falling as a result of fainting is a common complication in people with orthostatic hypotension.\n- **Stroke.** The swings in blood pressure from standing and sitting as a result of orthostatic hypotension can be a risk factor for stroke due to the reduced blood supply to the brain.\n- **Cardiovascular diseases.** Orthostatic hypotension can be a risk factor for cardiovascular diseases and complications, such as chest pain, heart failure or heart rhythm problems.\n\n[Request an appointment](https:\/\/www.mayoclinic.org\/appointments)\n***\n[By Mayo Clinic Staff](https:\/\/www.mayoclinic.org\/about-this-site\/meet-our-medical-editors)\n\nMay 26, 2022\n\n[Print](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548?p=1)\n\nShow References\n\n1. Orthostatic hypotension. Merck Manual Professional Version. https:\/\/www.merckmanuals.com\/professional\/cardiovascular-disorders\/symptoms-of-cardiovascular-disorders\/orthostatic-hypotension. Accessed March 5, 2022.\n2. Palma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https:\/\/www.uptodate.com\/contents\/search. Accessed March 5, 2022.\n3. AskMayoExpert. Orthostatic hypotension. Mayo Clinic; 2021.\n4. Orthostatic hypotension information page. National Institute of Neurological Disorders and Stroke. https:\/\/www.ninds.nih.gov\/Disorders\/All-Disorders\/Orthostatic-Hypotension-Information-Page. Accessed March 5, 2022.\n5. Palma J, et al. Treatment of orthostatic and postprandial hypotension. https:\/\/www.uptodate.com\/contents\/search. Accessed March 5, 2022.\n6. Shen WK, et al. 2017 ACC\/AHA\/HRS guideline for the evaluation and management of patients with syncope. Heart Rhythm. 2017; doi:10.1016\/j.hrthm.2017.03.004.\n7. Peixoto AJ. Evaluation and management of orthostatic hypotension: Limited data, limitless opportunity. Cleveland Clinic Journal of Medicine. 2022; doi:10.3949\/ccjm.89gr.22001.\n8. Magkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111\/jch.13521.\n\n[Diagnosis & treatment](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/diagnosis-treatment\/drc-20352553)\n\n1. [Diseases & Conditions](https:\/\/www.mayoclinic.org\/diseases-conditions)\n2. 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Map](https:\/\/www.mayoclinic.org\/site-help\/site-map)\n- [Manage Cookies](https:\/\/www.mayoclinic.org\/)\n***\nLanguage:\n\nEnglish\n\n- [English](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [Español](https:\/\/www.mayoclinic.org\/es\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [العربية](https:\/\/www.mayoclinic.org\/ar\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [简体中文](https:\/\/www.mayoclinic.org\/zh-hans\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n\n© 1998-2026 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved.\n\nLanguage:\n\nEnglish\n\n- [English](https:\/\/www.mayoclinic.org\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [Español](https:\/\/www.mayoclinic.org\/es\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [العربية](https:\/\/www.mayoclinic.org\/ar\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)\n- [简体中文](https:\/\/www.mayoclinic.org\/zh-hans\/diseases-conditions\/orthostatic-hypotension\/symptoms-causes\/syc-20352548)","attrs_readable_markdown":"On this page\n\nOverview\n\nOrthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting.\n\nOrthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up.\n\nOccasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause.\n\nProducts & Services\n\nThe most common symptom of orthostatic hypotension is lightheadedness or dizziness when standing after sitting or lying down. Symptoms usually last less than a few minutes.\n\nOrthostatic hypotension signs and symptoms include:\n\n- Lightheadedness or dizziness upon standing\n- Blurry vision\n- Weakness\n- Fainting (syncope)\n- Confusion\n\nWhen to see a doctor\n\nOccasional dizziness or lightheadedness can be minor — triggered by mild dehydration, low blood sugar or overheating. Dizziness or lightheadedness can also result from standing after sitting for a long time. If these symptoms happen only occasionally, there's likely no cause for concern.\n\nIt's important to see a health care provider for frequent symptoms of orthostatic hypotension. Losing consciousness, even for just a few seconds, is serious. It requires seeing a provider right away.\n\nKeep a record of your symptoms, when they occurred, how long they lasted and what you were doing at the time. Tell your care provider if symptoms occur at times that could be dangerous, such as while driving.\n\nFrom Mayo Clinic to your inbox\n\nSign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. [Click here for an email preview.](https:\/\/links.e.response.mayoclinic.org\/EmailPreview-GeneralHealth)\n\nWe use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our [Notice of Privacy Practices](https:\/\/mcforms.mayo.edu\/mc5200-mc5299\/mc5256-01.pdf). You may opt out of email communications at any time by clicking on the unsubscribe link in the email.\n\nCauses\n\nWhen standing from a sitting or lying position, gravity causes blood to collect in the legs and belly. Blood pressure drops because there's less blood flowing back to the heart.\n\nUsually, special cells (baroreceptors) near the heart and neck arteries sense this lower blood pressure. The baroreceptors send signals to the brain. This tells the heart to beat faster and pump more blood, which evens out blood pressure. These cells also narrow the blood vessels and increase blood pressure.\n\nOrthostatic hypotension occurs when something interrupts the body's process of dealing with the low blood pressure. Many conditions can cause orthostatic hypotension, including:\n\n- **Dehydration.** Fever, vomiting, not drinking enough fluids, severe diarrhea and strenuous exercise with a lot of sweating can all lead to dehydration. Dehydration decreases blood volume. Mild dehydration can cause symptoms of orthostatic hypotension, such as weakness, dizziness and fatigue.\n- **Heart problems.** Some heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions prevent the body from quickly pumping more blood when standing up.\n- **Endocrine problems.** Thyroid conditions, adrenal insufficiency (Addison's disease) and low blood sugar (hypoglycemia) can cause orthostatic hypotension. So can diabetes, which can damage the nerves that help send signals that control blood pressure.\n- **Nervous system disorders.** Some nervous system disorders, such as Parkinson's disease, multiple system atrophy, Lewy body dementia, pure autonomic failure and amyloidosis, can disrupt the body's ability to control blood pressure.\n- **Eating meals.** Some people have low blood pressure after eating meals (postprandial hypotension). This condition is more common in older adults.\n\nRisk factors\n\nThe risk factors for orthostatic hypotension include:\n\n- **Age.** Orthostatic hypotension is common in those who are age 65 and older. Special cells (baroreceptors) near the heart and neck arteries that control blood pressure can slow as you age. It also can be harder for an aging heart to speed up to make up for drops in blood pressure.\n- **Medications.** These include medications used to treat high blood pressure or heart disease, such as diuretics, alpha blockers, beta blockers, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors and nitrates.\n  Other medications that can increase the risk of orthostatic hypotension include medications used to treat Parkinson's disease, certain antidepressants, certain antipsychotics, muscle relaxants, medications to treat erectile dysfunction and narcotics.\n- **Certain diseases.** Diseases that can increase the risk of low blood pressure include some heart conditions, such as heart valve problems, heart attack and heart failure. They also include certain nervous system disorders, such as Parkinson's disease. And they include diseases that cause nerve damage (neuropathy), such as diabetes.\n- **Heat exposure.** Being in a hot environment can cause heavy sweating and possibly dehydration, which can lower blood pressure and trigger orthostatic hypotension.\n- **Bed rest.** Staying in bed for a long time because of an illness or injury can cause weakness. This can lead to orthostatic hypotension.\n- **Alcohol.** Drinking alcohol can increase the risk of orthostatic hypotension.\n\nComplications\n\nPersistent orthostatic hypotension can cause serious complications, especially in older adults. These include:\n\n- **Falls.** Falling as a result of fainting is a common complication in people with orthostatic hypotension.\n- **Stroke.** The swings in blood pressure from standing and sitting as a result of orthostatic hypotension can be a risk factor for stroke due to the reduced blood supply to the brain.\n- **Cardiovascular diseases.** Orthostatic hypotension can be a risk factor for cardiovascular diseases and complications, such as chest pain, heart failure or heart rhythm problems.\n\nMay 26, 2022\n\n1. Orthostatic hypotension. Merck Manual Professional Version. https:\/\/www.merckmanuals.com\/professional\/cardiovascular-disorders\/symptoms-of-cardiovascular-disorders\/orthostatic-hypotension. Accessed March 5, 2022.\n2. Palma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https:\/\/www.uptodate.com\/contents\/search. Accessed March 5, 2022.\n3. AskMayoExpert. Orthostatic hypotension. Mayo Clinic; 2021.\n4. Orthostatic hypotension information page. National Institute of Neurological Disorders and Stroke. https:\/\/www.ninds.nih.gov\/Disorders\/All-Disorders\/Orthostatic-Hypotension-Information-Page. Accessed March 5, 2022.\n5. Palma J, et al. Treatment of orthostatic and postprandial hypotension. https:\/\/www.uptodate.com\/contents\/search. Accessed March 5, 2022.\n6. Shen WK, et al. 2017 ACC\/AHA\/HRS guideline for the evaluation and management of patients with syncope. Heart Rhythm. 2017; doi:10.1016\/j.hrthm.2017.03.004.\n7. Peixoto AJ. Evaluation and management of orthostatic hypotension: Limited data, limitless opportunity. Cleveland Clinic Journal of Medicine. 2022; doi:10.3949\/ccjm.89gr.22001.\n8. Magkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111\/jch.13521.\n\n1. Orthostatic hypotension (postural hypotension) - Symptoms & causes - Mayo Clinic\n\nAssociated Procedures\n\nProducts & Services\n\nCON-20303971\n\n![](https:\/\/assets.mayoclinic.org\/content\/dam\/mayoclinic\/images\/icons\/person-physician.svg)\n\nNational Doctors’ Day is March 30\\!\n\nYour gift to celebrate this day advances our doctors’ lifesaving work.","meta_canonical":null}

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Boilerpipe Text	On this page Overview Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting. Orthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up. Occasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause. Products & Services The most common symptom of orthostatic hypotension is lightheadedness or dizziness when standing after sitting or lying down. Symptoms usually last less than a few minutes. Orthostatic hypotension signs and symptoms include: Lightheadedness or dizziness upon standing Blurry vision Weakness Fainting (syncope) Confusion When to see a doctor Occasional dizziness or lightheadedness can be minor — triggered by mild dehydration, low blood sugar or overheating. Dizziness or lightheadedness can also result from standing after sitting for a long time. If these symptoms happen only occasionally, there's likely no cause for concern. It's important to see a health care provider for frequent symptoms of orthostatic hypotension. Losing consciousness, even for just a few seconds, is serious. It requires seeing a provider right away. Keep a record of your symptoms, when they occurred, how long they lasted and what you were doing at the time. Tell your care provider if symptoms occur at times that could be dangerous, such as while driving. From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Click here for an email preview. We use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our Notice of Privacy Practices . You may opt out of email communications at any time by clicking on the unsubscribe link in the email. Causes When standing from a sitting or lying position, gravity causes blood to collect in the legs and belly. Blood pressure drops because there's less blood flowing back to the heart. Usually, special cells (baroreceptors) near the heart and neck arteries sense this lower blood pressure. The baroreceptors send signals to the brain. This tells the heart to beat faster and pump more blood, which evens out blood pressure. These cells also narrow the blood vessels and increase blood pressure. Orthostatic hypotension occurs when something interrupts the body's process of dealing with the low blood pressure. Many conditions can cause orthostatic hypotension, including: Dehydration. Fever, vomiting, not drinking enough fluids, severe diarrhea and strenuous exercise with a lot of sweating can all lead to dehydration. Dehydration decreases blood volume. Mild dehydration can cause symptoms of orthostatic hypotension, such as weakness, dizziness and fatigue. Heart problems. Some heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions prevent the body from quickly pumping more blood when standing up. Endocrine problems. Thyroid conditions, adrenal insufficiency (Addison's disease) and low blood sugar (hypoglycemia) can cause orthostatic hypotension. So can diabetes, which can damage the nerves that help send signals that control blood pressure. Nervous system disorders. Some nervous system disorders, such as Parkinson's disease, multiple system atrophy, Lewy body dementia, pure autonomic failure and amyloidosis, can disrupt the body's ability to control blood pressure. Eating meals. Some people have low blood pressure after eating meals (postprandial hypotension). This condition is more common in older adults. Risk factors The risk factors for orthostatic hypotension include: Age. Orthostatic hypotension is common in those who are age 65 and older. Special cells (baroreceptors) near the heart and neck arteries that control blood pressure can slow as you age. It also can be harder for an aging heart to speed up to make up for drops in blood pressure. Medications. These include medications used to treat high blood pressure or heart disease, such as diuretics, alpha blockers, beta blockers, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors and nitrates. Other medications that can increase the risk of orthostatic hypotension include medications used to treat Parkinson's disease, certain antidepressants, certain antipsychotics, muscle relaxants, medications to treat erectile dysfunction and narcotics. Certain diseases. Diseases that can increase the risk of low blood pressure include some heart conditions, such as heart valve problems, heart attack and heart failure. They also include certain nervous system disorders, such as Parkinson's disease. And they include diseases that cause nerve damage (neuropathy), such as diabetes. Heat exposure. Being in a hot environment can cause heavy sweating and possibly dehydration, which can lower blood pressure and trigger orthostatic hypotension. Bed rest. Staying in bed for a long time because of an illness or injury can cause weakness. This can lead to orthostatic hypotension. Alcohol. Drinking alcohol can increase the risk of orthostatic hypotension. Complications Persistent orthostatic hypotension can cause serious complications, especially in older adults. These include: Falls. Falling as a result of fainting is a common complication in people with orthostatic hypotension. Stroke. The swings in blood pressure from standing and sitting as a result of orthostatic hypotension can be a risk factor for stroke due to the reduced blood supply to the brain. Cardiovascular diseases. Orthostatic hypotension can be a risk factor for cardiovascular diseases and complications, such as chest pain, heart failure or heart rhythm problems. May 26, 2022 Orthostatic hypotension. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/symptoms-of-cardiovascular-disorders/orthostatic-hypotension. Accessed March 5, 2022. Palma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https://www.uptodate.com/contents/search. Accessed March 5, 2022. AskMayoExpert. Orthostatic hypotension. Mayo Clinic; 2021. Orthostatic hypotension information page. National Institute of Neurological Disorders and Stroke. https://www.ninds.nih.gov/Disorders/All-Disorders/Orthostatic-Hypotension-Information-Page. Accessed March 5, 2022. Palma J, et al. Treatment of orthostatic and postprandial hypotension. https://www.uptodate.com/contents/search. Accessed March 5, 2022. Shen WK, et al. 2017 ACC/AHA/HRS guideline for the evaluation and management of patients with syncope. Heart Rhythm. 2017; doi:10.1016/j.hrthm.2017.03.004. Peixoto AJ. Evaluation and management of orthostatic hypotension: Limited data, limitless opportunity. Cleveland Clinic Journal of Medicine. 2022; doi:10.3949/ccjm.89gr.22001. Magkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111/jch.13521. Orthostatic hypotension (postural hypotension) - Symptoms & causes - Mayo Clinic Associated Procedures Products & Services CON-20303971 National Doctors’ Day is March 30! Your gift to celebrate this day advances our doctors’ lifesaving work.
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[Diseases & Conditions](https://www.mayoclinic.org/diseases-conditions) # Orthostatic hypotension (postural hypotension) [Request an appointment](https://www.mayoclinic.org/appointments) * - [Symptoms & causes](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548) - [Diagnosis & treatment](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/diagnosis-treatment/drc-20352553) - [Doctors & departments](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/doctors-departments/ddc-20352555) ## On this page - [Overview](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548#overview) - [Symptoms](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548#symptoms) - [When to see a doctor](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548#when-to-see-a-doctor) - [Causes](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548#causes) - [Risk factors](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548#risk-factors) - [Complications](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548#complications) * ## Overview Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting. Orthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up. Occasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause. ### Products & Services - [A Book: Mayo Clinic Family Health Book](https://order.store.mayoclinic.com/flex/mmv/fhblc01/?altkey=FHBORG&utm_source=MC-DotOrg-PS&utm_medium=Link&utm_campaign=FamilyHealth-Book&utm_content=FHB) - [Newsletter: Mayo Clinic Health Letter — Digital Edition](https://order.store.mayoclinic.com/flex/mmv/hldigar/?altkey=HLEMORG) * ## Symptoms The most common symptom of orthostatic hypotension is lightheadedness or dizziness when standing after sitting or lying down. Symptoms usually last less than a few minutes. Orthostatic hypotension signs and symptoms include: - Lightheadedness or dizziness upon standing - Blurry vision - Weakness - Fainting (syncope) - Confusion * ## When to see a doctor Occasional dizziness or lightheadedness can be minor — triggered by mild dehydration, low blood sugar or overheating. Dizziness or lightheadedness can also result from standing after sitting for a long time. If these symptoms happen only occasionally, there's likely no cause for concern. It's important to see a health care provider for frequent symptoms of orthostatic hypotension. Losing consciousness, even for just a few seconds, is serious. It requires seeing a provider right away. Keep a record of your symptoms, when they occurred, how long they lasted and what you were doing at the time. Tell your care provider if symptoms occur at times that could be dangerous, such as while driving. [Request an appointment](https://www.mayoclinic.org/appointments) ## From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. [Click here for an email preview.](https://links.e.response.mayoclinic.org/EmailPreview-GeneralHealth) Learn more about Mayo Clinic’s use of data. We use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our [Notice of Privacy Practices](https://mcforms.mayo.edu/mc5200-mc5299/mc5256-01.pdf). You may opt out of email communications at any time by clicking on the unsubscribe link in the email. * ## Causes When standing from a sitting or lying position, gravity causes blood to collect in the legs and belly. Blood pressure drops because there's less blood flowing back to the heart. Usually, special cells (baroreceptors) near the heart and neck arteries sense this lower blood pressure. The baroreceptors send signals to the brain. This tells the heart to beat faster and pump more blood, which evens out blood pressure. These cells also narrow the blood vessels and increase blood pressure. Orthostatic hypotension occurs when something interrupts the body's process of dealing with the low blood pressure. Many conditions can cause orthostatic hypotension, including: - Dehydration. Fever, vomiting, not drinking enough fluids, severe diarrhea and strenuous exercise with a lot of sweating can all lead to dehydration. Dehydration decreases blood volume. Mild dehydration can cause symptoms of orthostatic hypotension, such as weakness, dizziness and fatigue. - Heart problems. Some heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions prevent the body from quickly pumping more blood when standing up. - Endocrine problems. Thyroid conditions, adrenal insufficiency (Addison's disease) and low blood sugar (hypoglycemia) can cause orthostatic hypotension. So can diabetes, which can damage the nerves that help send signals that control blood pressure. - Nervous system disorders. Some nervous system disorders, such as Parkinson's disease, multiple system atrophy, Lewy body dementia, pure autonomic failure and amyloidosis, can disrupt the body's ability to control blood pressure. - Eating meals. Some people have low blood pressure after eating meals (postprandial hypotension). This condition is more common in older adults. * ## Risk factors The risk factors for orthostatic hypotension include: - Age. Orthostatic hypotension is common in those who are age 65 and older. Special cells (baroreceptors) near the heart and neck arteries that control blood pressure can slow as you age. It also can be harder for an aging heart to speed up to make up for drops in blood pressure. - Medications. These include medications used to treat high blood pressure or heart disease, such as diuretics, alpha blockers, beta blockers, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors and nitrates. Other medications that can increase the risk of orthostatic hypotension include medications used to treat Parkinson's disease, certain antidepressants, certain antipsychotics, muscle relaxants, medications to treat erectile dysfunction and narcotics. - Certain diseases. Diseases that can increase the risk of low blood pressure include some heart conditions, such as heart valve problems, heart attack and heart failure. They also include certain nervous system disorders, such as Parkinson's disease. And they include diseases that cause nerve damage (neuropathy), such as diabetes. - Heat exposure. Being in a hot environment can cause heavy sweating and possibly dehydration, which can lower blood pressure and trigger orthostatic hypotension. - Bed rest. Staying in bed for a long time because of an illness or injury can cause weakness. This can lead to orthostatic hypotension. - Alcohol. Drinking alcohol can increase the risk of orthostatic hypotension. * ## Complications Persistent orthostatic hypotension can cause serious complications, especially in older adults. These include: - Falls. Falling as a result of fainting is a common complication in people with orthostatic hypotension. - Stroke. The swings in blood pressure from standing and sitting as a result of orthostatic hypotension can be a risk factor for stroke due to the reduced blood supply to the brain. - Cardiovascular diseases. Orthostatic hypotension can be a risk factor for cardiovascular diseases and complications, such as chest pain, heart failure or heart rhythm problems. [Request an appointment](https://www.mayoclinic.org/appointments) * [By Mayo Clinic Staff](https://www.mayoclinic.org/about-this-site/meet-our-medical-editors) May 26, 2022 [Print](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/symptoms-causes/syc-20352548?p=1) Show References 1. Orthostatic hypotension. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/symptoms-of-cardiovascular-disorders/orthostatic-hypotension. Accessed March 5, 2022. 2. Palma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https://www.uptodate.com/contents/search. Accessed March 5, 2022. 3. AskMayoExpert. Orthostatic hypotension. Mayo Clinic; 2021. 4. Orthostatic hypotension information page. National Institute of Neurological Disorders and Stroke. https://www.ninds.nih.gov/Disorders/All-Disorders/Orthostatic-Hypotension-Information-Page. Accessed March 5, 2022. 5. Palma J, et al. Treatment of orthostatic and postprandial hypotension. https://www.uptodate.com/contents/search. Accessed March 5, 2022. 6. Shen WK, et al. 2017 ACC/AHA/HRS guideline for the evaluation and management of patients with syncope. Heart Rhythm. 2017; doi:10.1016/j.hrthm.2017.03.004. 7. Peixoto AJ. Evaluation and management of orthostatic hypotension: Limited data, limitless opportunity. Cleveland Clinic Journal of Medicine. 2022; doi:10.3949/ccjm.89gr.22001. 8. Magkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111/jch.13521. [Diagnosis & treatment](https://www.mayoclinic.org/diseases-conditions/orthostatic-hypotension/diagnosis-treatment/drc-20352553) 1. [Diseases & Conditions](https://www.mayoclinic.org/diseases-conditions) 2. 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Readable Markdown	On this page Overview Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting. Orthostatic hypotension can be mild. Episodes might be brief. However, long-lasting orthostatic hypotension can signal more-serious problems. It's important to see a health care provider if you frequently feel lightheaded when standing up. Occasional orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest. The condition is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment depends on the cause. Products & Services The most common symptom of orthostatic hypotension is lightheadedness or dizziness when standing after sitting or lying down. Symptoms usually last less than a few minutes. Orthostatic hypotension signs and symptoms include: - Lightheadedness or dizziness upon standing - Blurry vision - Weakness - Fainting (syncope) - Confusion When to see a doctor Occasional dizziness or lightheadedness can be minor — triggered by mild dehydration, low blood sugar or overheating. Dizziness or lightheadedness can also result from standing after sitting for a long time. If these symptoms happen only occasionally, there's likely no cause for concern. It's important to see a health care provider for frequent symptoms of orthostatic hypotension. Losing consciousness, even for just a few seconds, is serious. It requires seeing a provider right away. Keep a record of your symptoms, when they occurred, how long they lasted and what you were doing at the time. Tell your care provider if symptoms occur at times that could be dangerous, such as while driving. From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. [Click here for an email preview.](https://links.e.response.mayoclinic.org/EmailPreview-GeneralHealth) We use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our [Notice of Privacy Practices](https://mcforms.mayo.edu/mc5200-mc5299/mc5256-01.pdf). You may opt out of email communications at any time by clicking on the unsubscribe link in the email. Causes When standing from a sitting or lying position, gravity causes blood to collect in the legs and belly. Blood pressure drops because there's less blood flowing back to the heart. Usually, special cells (baroreceptors) near the heart and neck arteries sense this lower blood pressure. The baroreceptors send signals to the brain. This tells the heart to beat faster and pump more blood, which evens out blood pressure. These cells also narrow the blood vessels and increase blood pressure. Orthostatic hypotension occurs when something interrupts the body's process of dealing with the low blood pressure. Many conditions can cause orthostatic hypotension, including: - Dehydration. Fever, vomiting, not drinking enough fluids, severe diarrhea and strenuous exercise with a lot of sweating can all lead to dehydration. Dehydration decreases blood volume. Mild dehydration can cause symptoms of orthostatic hypotension, such as weakness, dizziness and fatigue. - Heart problems. Some heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions prevent the body from quickly pumping more blood when standing up. - Endocrine problems. Thyroid conditions, adrenal insufficiency (Addison's disease) and low blood sugar (hypoglycemia) can cause orthostatic hypotension. So can diabetes, which can damage the nerves that help send signals that control blood pressure. - Nervous system disorders. Some nervous system disorders, such as Parkinson's disease, multiple system atrophy, Lewy body dementia, pure autonomic failure and amyloidosis, can disrupt the body's ability to control blood pressure. - Eating meals. Some people have low blood pressure after eating meals (postprandial hypotension). This condition is more common in older adults. Risk factors The risk factors for orthostatic hypotension include: - Age. Orthostatic hypotension is common in those who are age 65 and older. Special cells (baroreceptors) near the heart and neck arteries that control blood pressure can slow as you age. It also can be harder for an aging heart to speed up to make up for drops in blood pressure. - Medications. These include medications used to treat high blood pressure or heart disease, such as diuretics, alpha blockers, beta blockers, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors and nitrates. Other medications that can increase the risk of orthostatic hypotension include medications used to treat Parkinson's disease, certain antidepressants, certain antipsychotics, muscle relaxants, medications to treat erectile dysfunction and narcotics. - Certain diseases. Diseases that can increase the risk of low blood pressure include some heart conditions, such as heart valve problems, heart attack and heart failure. They also include certain nervous system disorders, such as Parkinson's disease. And they include diseases that cause nerve damage (neuropathy), such as diabetes. - Heat exposure. Being in a hot environment can cause heavy sweating and possibly dehydration, which can lower blood pressure and trigger orthostatic hypotension. - Bed rest. Staying in bed for a long time because of an illness or injury can cause weakness. This can lead to orthostatic hypotension. - Alcohol. Drinking alcohol can increase the risk of orthostatic hypotension. Complications Persistent orthostatic hypotension can cause serious complications, especially in older adults. These include: - Falls. Falling as a result of fainting is a common complication in people with orthostatic hypotension. - Stroke. The swings in blood pressure from standing and sitting as a result of orthostatic hypotension can be a risk factor for stroke due to the reduced blood supply to the brain. - Cardiovascular diseases. Orthostatic hypotension can be a risk factor for cardiovascular diseases and complications, such as chest pain, heart failure or heart rhythm problems. May 26, 2022 1. Orthostatic hypotension. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/symptoms-of-cardiovascular-disorders/orthostatic-hypotension. Accessed March 5, 2022. 2. Palma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https://www.uptodate.com/contents/search. Accessed March 5, 2022. 3. AskMayoExpert. Orthostatic hypotension. Mayo Clinic; 2021. 4. Orthostatic hypotension information page. National Institute of Neurological Disorders and Stroke. https://www.ninds.nih.gov/Disorders/All-Disorders/Orthostatic-Hypotension-Information-Page. Accessed March 5, 2022. 5. Palma J, et al. Treatment of orthostatic and postprandial hypotension. https://www.uptodate.com/contents/search. Accessed March 5, 2022. 6. Shen WK, et al. 2017 ACC/AHA/HRS guideline for the evaluation and management of patients with syncope. Heart Rhythm. 2017; doi:10.1016/j.hrthm.2017.03.004. 7. Peixoto AJ. Evaluation and management of orthostatic hypotension: Limited data, limitless opportunity. Cleveland Clinic Journal of Medicine. 2022; doi:10.3949/ccjm.89gr.22001. 8. Magkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111/jch.13521. 1. Orthostatic hypotension (postural hypotension) - Symptoms & causes - Mayo Clinic Associated Procedures Products & Services CON-20303971 ![](https://assets.mayoclinic.org/content/dam/mayoclinic/images/icons/person-physician.svg) National Doctors’ Day is March 30\! Your gift to celebrate this day advances our doctors’ lifesaving work.
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