🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 143 (from laksa102)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa143.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, ml_categories_json AS ml_categories_json, ml_types_json AS ml_types_json, ml_intent_types_json AS ml_intent_types_json, meta_language AS meta_language, attrs_author AS attrs_author, ifNull(toUnixTimestamp(attrs_publish_time), 0) AS attrs_publish_time, ifNull(toUnixTimestamp(attrs_original_publish_time), 0) AS attrs_original_publish_time, ifNull(attrs_is_republished, 0) AS attrs_is_republished, ifNull(attrs_nr_words, 0) AS attrs_nr_words, ifNull(attrs_boilerpipe_nr_words, 0) AS attrs_boilerpipe_nr_words, ifNull(body_ext_links_number, 0) AS body_ext_links_number, ifNull(body_int_links_number, 0) AS body_int_links_number, ifNull(meta_nofollow, 0) AS meta_nofollow, ifNull(meta_noarchive, 0) AS meta_noarchive, ifNull(props_was_rendered, 0) AS props_was_rendered, ifNull(src_redirect, \'\') AS src_redirect, ifNull(download_time_msec, 0) AS download_time_msec, ifNull(download_ttfb_msec, 0) AS download_ttfb_msec, ifNull(download_size, 0) AS download_size FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://my.clevelandclinic.org/health/symptoms/25241-lethargy\')), getAhrefsUnparsedNoserviceFromURL(\'https://my.clevelandclinic.org/health/symptoms/25241-lethargy\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy","crawl_time":1776880139,"first_indexed_time":1694607160,"http_code":200,"src_unparsed":"org,clevelandclinic!my,\/health\/symptoms\/25241-lethargy s443","src_root_hash":"9889140825964526943","history_drop_reason":null,"meta_title":"Lethargy: What It Is, Causes, Symptoms & Treatment","meta_descriptions":["Lethargy is a decrease in consciousness. It happens because of disruptions in brain activity. It’s a possible symptom of serious medical conditions."],"attrs_boilerpipe_text":"What is lethargy?\nLethargy is a symptom that involves an unusual decrease in consciousness. It’s different from just being drowsy or sleepy. Decreases in your level of consciousness can involve a\nchange in your mental state\n. That means you may be confused or have trouble remembering things, too.\nLethargy comes from two Ancient Greek words: “Lethe,\" meaning “forgetful,” and “argos,” meaning “idle.” As those two terms describe, someone who’s lethargic moves slowly or is difficult to rouse and has trouble thinking, concentrating or remembering.\nFatigue vs. lethargy — what’s the difference?\nFatigue\nis feeling physically exhausted or drained but without any disruption or impairment of your mental abilities. While people often use the term “lethargic” to describe someone who’s tired, fatigued or drowsy, they’re not the same. Lethargy indicates something is affecting your brain, your level of consciousness and other mental functions. But it’s also hard to tell the difference — even for healthcare providers — between lethargy and fatigue or being very tired. Context and additional information can be key in determining if someone has lethargy as a symptom or if they’re really tired.\nLethargy and its place in medical terminology\nIn the medical world, “lethargy” isn’t a term that’s as commonly used as in years past. There are a few reasons for this:\nIt’s not specific\n. Lethargy doesn’t specify what brain processes are experiencing disruption. It can involve energy level changes, memory problems, reduced thinking ability, a lack of awareness or responsiveness to the world around you, trouble concentrating or other changes.\nIt’s not precise\n. Consciousness ranges from being in the deepest\ncoma\nto being completely awake, alert and oriented. Lethargy falls somewhere in between, but there’s no way to pinpoint its exact location in that range.\nIt’s confusing\n. As noted earlier, people commonly use lethargy as a catch-all term. Using it in a medical context can lead to miscommunication if anyone interprets it differently than it was originally intended.","attrs_markdown":"![](https:\/\/zdbb.net\/l\/Dnl1wmWs8xCCpvWNCt9Egf\/?w=16&q=75)\n\nLocations:\n\n[Abu Dhabi](https:\/\/www.clevelandclinicabudhabi.ae\/en)\\|[Canada](https:\/\/my.clevelandclinic.org\/canada)\\|[Florida](https:\/\/my.clevelandclinic.org\/florida)\\|[London](https:\/\/clevelandcliniclondon.uk\/)\\|[Nevada](https:\/\/my.clevelandclinic.org\/locations\/nevada)\\|[Ohio](https:\/\/my.clevelandclinic.org\/)\\|\n\n![Gray gradient](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/gray-gradient-left-16.59910877.svg?w=32&q=75)![Gray gradient](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/gray-gradient-right-32.dd7ce4e5.svg?w=64&q=75)\n\n[855\\.733.3712](tel:8557333712)\\|[MyChart](https:\/\/my.clevelandclinic.org\/online-services\/mychart)\\|[Need Help?](https:\/\/my.clevelandclinic.org\/help)\\|[Careers](https:\/\/jobs.clevelandclinic.org\/)\\|[Donate Now](https:\/\/give.ccf.org\/give\/187824#!\/donation\/checkout)\\|\n\n![Gray gradient](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/gray-gradient-left-16.59910877.svg?w=32&q=75)![Gray gradient](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/gray-gradient-right-32.dd7ce4e5.svg?w=64&q=75)\n\n[![Cleveland Clinic logo](https:\/\/assets.clevelandclinic.org\/transform\/1bc1ff31-3cbc-4976-9ddf-9bc85e0877eb\/Cleveland-Clinic-Logo-Web?w=3840&q=75)](https:\/\/my.clevelandclinic.org\/)\n\n[Find a Provider](https:\/\/my.clevelandclinic.org\/providers)[Locations and Directions](https:\/\/my.clevelandclinic.org\/locations)[Services](https:\/\/my.clevelandclinic.org\/services)[Patients and Visitors](https:\/\/my.clevelandclinic.org\/patients)[Health Library](https:\/\/my.clevelandclinic.org\/health)\n\n- [Find a Provider](https:\/\/my.clevelandclinic.org\/providers)\n- [Locations and Directions](https:\/\/my.clevelandclinic.org\/locations)\n- [Services](https:\/\/my.clevelandclinic.org\/services)\n- [Patients and Visitors](https:\/\/my.clevelandclinic.org\/patients)\n- [Health Library](https:\/\/my.clevelandclinic.org\/health)\n\n[![Search](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/LondonGreenSearchIcon.6d7e718f.svg?w=64&q=75)](https:\/\/my.clevelandclinic.org\/search)\n\nMenu\n\n[![Search](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/LondonGreenSearchIcon.6d7e718f.svg?w=64&q=75)](https:\/\/my.clevelandclinic.org\/search)[Appointments](https:\/\/my.clevelandclinic.org\/patients\/information\/access)\n\n[Home](https:\/\/my.clevelandclinic.org\/)\/\n\n[Health Library](https:\/\/my.clevelandclinic.org\/health)\/\n\n[Symptoms](https:\/\/my.clevelandclinic.org\/health\/symptoms)\/\n\nLethargy\n\nAdvertisement\n\nAdvertisement\n# Lethargy\nMedically Reviewed.\n\nLast updated on 09\/11\/2023.\n\n“Lethargy” is a term that no longer sees widespread use in medical settings. It refers to a decrease in consciousness, but many people use it interchangeably to refer to fatigue, drowsiness or sleepiness. Because it involves a decrease in consciousness, it indicates a disruption in brain activity.\n\nAdvertisement\n\nCleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. [Policy](https:\/\/health.clevelandclinic.org\/advertising)\n\nContents\n\n[Overview](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#overview)[Possible Causes](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#possible-causes)[Care and Treatment](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#care-and-treatment)[When To Call the Doctor](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#when-to-call-the-doctor)\n\nContents\n\n[Overview](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#overview)[Possible Causes](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#possible-causes)[Care and Treatment](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#care-and-treatment)[When To Call the Doctor](https:\/\/my.clevelandclinic.org\/health\/symptoms\/25241-lethargy#when-to-call-the-doctor)\n\n## Overview\n### What is lethargy?\nLethargy is a symptom that involves an unusual decrease in consciousness. It’s different from just being drowsy or sleepy. Decreases in your level of consciousness can involve a [change in your mental state](https:\/\/my.clevelandclinic.org\/health\/diseases\/23159-altered-mental-status-ams). That means you may be confused or have trouble remembering things, too.\n\nAdvertisement\n\nCleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. [Policy](https:\/\/health.clevelandclinic.org\/advertising)\n\nLethargy comes from two Ancient Greek words: “Lethe,\" meaning “forgetful,” and “argos,” meaning “idle.” As those two terms describe, someone who’s lethargic moves slowly or is difficult to rouse and has trouble thinking, concentrating or remembering.\n\n#### Fatigue vs. lethargy — what’s the difference?\n[Fatigue](https:\/\/my.clevelandclinic.org\/health\/symptoms\/21206-fatigue) is feeling physically exhausted or drained but without any disruption or impairment of your mental abilities. While people often use the term “lethargic” to describe someone who’s tired, fatigued or drowsy, they’re not the same. Lethargy indicates something is affecting your brain, your level of consciousness and other mental functions. But it’s also hard to tell the difference — even for healthcare providers — between lethargy and fatigue or being very tired. Context and additional information can be key in determining if someone has lethargy as a symptom or if they’re really tired.\n\n#### Lethargy and its place in medical terminology\nIn the medical world, “lethargy” isn’t a term that’s as commonly used as in years past. There are a few reasons for this:\n\n- **It’s not specific**. Lethargy doesn’t specify what brain processes are experiencing disruption. It can involve energy level changes, memory problems, reduced thinking ability, a lack of awareness or responsiveness to the world around you, trouble concentrating or other changes.\n- **It’s not precise**. Consciousness ranges from being in the deepest [coma](https:\/\/my.clevelandclinic.org\/health\/diseases\/6007-coma-persistent-vegetative-state) to being completely awake, alert and oriented. Lethargy falls somewhere in between, but there’s no way to pinpoint its exact location in that range.\n- **It’s confusing**. As noted earlier, people commonly use lethargy as a catch-all term. Using it in a medical context can lead to miscommunication if anyone interprets it differently than it was originally intended.\n\nAdvertisement\n\n## Possible Causes\n### What can cause lethargy?\nLethargy can be a sign of many conditions. But what they all have in common is that they involve disruptions in brain function.\n\nConditions that can cause lethargy include (but aren’t limited to):\n\n- Alcohol intoxication and [alcohol poisoning](https:\/\/my.clevelandclinic.org\/health\/diseases\/16640-alcohol-poisoning).\n- Blood sugar level extremes (including [very low blood sugar \\[hypoglycemia\\]](https:\/\/my.clevelandclinic.org\/health\/diseases\/11647-hypoglycemia-low-blood-sugar) and [very high blood sugar \\[hyperglycemia\\]](https:\/\/my.clevelandclinic.org\/health\/diseases\/9815-hyperglycemia-high-blood-sugar)).\n- [Brain bleeds](https:\/\/my.clevelandclinic.org\/health\/diseases\/14480-brain-bleed-hemorrhage-intracranial-hemorrhage).\n- [Chronic fatigue syndrome](https:\/\/my.clevelandclinic.org\/health\/diseases\/17720-myalgic-encephalomyelitischronic-fatigue-syndrome-mecfs).\n- Severe [dehydration](https:\/\/my.clevelandclinic.org\/health\/treatments\/9013-dehydration).\n- [Delirium](https:\/\/my.clevelandclinic.org\/health\/diseases\/15252-delirium).\n- Diseases that affect or cause failure of your kidneys or liver (these cause buildup of toxins that can affect your brain).\n- [Electrolyte imbalances](https:\/\/my.clevelandclinic.org\/health\/symptoms\/24019-electrolyte-imbalance) (like [very low sodium \\[hyponatremia\\]](https:\/\/my.clevelandclinic.org\/health\/diseases\/17762-hyponatremia) or [very high calcium \\[hypercalcemia\\]](https:\/\/my.clevelandclinic.org\/health\/diseases\/14597-hypercalcemia)).\n- Endocrine disorders (like [hypothyroidism](https:\/\/my.clevelandclinic.org\/health\/diseases\/12120-hypothyroidism) and [hyperthyroidism](https:\/\/my.clevelandclinic.org\/health\/diseases\/14129-hyperthyroidism)).\n- Extreme body temperatures (including [very low body temperature \\[hypothermia\\]](https:\/\/my.clevelandclinic.org\/health\/diseases\/21164-hypothermia-low-body-temperature) and [very high body temperature \\[hyperthermia\\]](https:\/\/my.clevelandclinic.org\/health\/diseases\/22111-hyperthermia)).\n- Head injuries, including [concussions](https:\/\/my.clevelandclinic.org\/health\/diseases\/15038-concussion) and [traumatic brain injuries (TBI)](https:\/\/my.clevelandclinic.org\/health\/diseases\/8874-traumatic-brain-injury).\n- Infections (especially [encephalitis](https:\/\/my.clevelandclinic.org\/health\/diseases\/6058-encephalitis) and [meningitis](https:\/\/my.clevelandclinic.org\/health\/articles\/14600-meningitis), as well as life-threatening infection-related conditions like [sepsis](https:\/\/my.clevelandclinic.org\/health\/diseases\/12361-sepsis)).\n- [Intracranial hypertension](https:\/\/my.clevelandclinic.org\/health\/diseases\/21968-idiopathic-intracranial-hypertension) (like from conditions such as [hydrocephalus](https:\/\/my.clevelandclinic.org\/health\/diseases\/17334-hydrocephalus)).\n- Lack of blood flow (like any kind of stroke, especially [ischemic stroke](https:\/\/my.clevelandclinic.org\/health\/diseases\/24208-ischemic-stroke-clots)).\n- Lack of oxygen ([cerebral hypoxia](https:\/\/my.clevelandclinic.org\/health\/diseases\/6025-cerebral-hypoxia)).\n- Medical and nonmedical drug use and overdose.\n- Mental health conditions, especially when they disrupt brain function ([major depressive disorder](https:\/\/my.clevelandclinic.org\/health\/diseases\/24481-clinical-depression-major-depressive-disorder), for example).\n- [Seizures](https:\/\/my.clevelandclinic.org\/health\/diseases\/22789-seizure). (Lethargy after a seizure is common. If someone is lethargic more than 30 minutes after a seizure, they need immediate medical attention. They could be having status epilepticus from ongoing seizure activity in their brain that isn’t causing other visible symptoms. [Status epilepticus](https:\/\/my.clevelandclinic.org\/health\/diseases\/24729-status-epilepticus) is a medical emergency.)\n- Toxins and poisons (like [carbon monoxide](https:\/\/my.clevelandclinic.org\/health\/diseases\/15663-carbon-monoxide-poisoning) or [heavy metals](https:\/\/my.clevelandclinic.org\/health\/diseases\/23424-heavy-metal-poisoning-toxicity)).\n\n## Care and Treatment\n### How is lethargy treated?\nTreating lethargy almost always involves treating the condition causing it. Because so many conditions can cause or contribute to lethargy, the possible treatments can vary widely.\n\n#### What can I do at home to treat lethargy?\nLethargy is a possible symptom of a life-threatening medical emergency. You shouldn’t try to treat it on your own.\n\n#### What are the possible complications or risks of not treating lethargy?\nLethargy can signal severe or life-threatening medical conditions. Many of these conditions can cause brain damage or even death without treatment.\n\n### Can lethargy be prevented?\nLethargy happens unpredictably. The conditions that can cause it generally aren’t preventable. But there are some things you can do to reduce the risk of developing these conditions.\n\n- **Manage your chronic conditions**. Following your healthcare provider’s guidance on managing chronic conditions like diabetes and epilepsy can lower your odds of developing a condition that can cause lethargy.\n- **Wear safety equipment**. Head injuries, especially concussions and traumatic brain injuries, can cause or contribute to lethargy. Helmets, safety restraints, seat belts and other protective gear are essential for reducing your risk.\n- **Eat a balanced diet**. A balanced diet can reduce the risk of developing electrolyte imbalances and vitamin or mineral deficiencies that could cause lethargy. Your diet also affects your circulatory health, which can help avoid conditions like stroke.\n- **Stay physically active and reach and maintain a weight that’s healthy for you**. Your weight and activity level can prevent or delay conditions that affect your brain, especially conditions that could cause or contribute to lethargy.\n- **Avoid substance and nonmedical drug use, and only use alcohol in moderation**. Alcohol and substance use disorders can cause or contribute to lethargy. You should always take prescription medications as directed, as this reduces the risk of developing problems or complications.\n- **Get adequate sleep**. Most adults require [seven to eight hours](https:\/\/health.clevelandclinic.org\/how-much-sleep-do-i-need\/) of sleep every night. Insufficient sleep can worsen your symptoms.\n\nAdvertisement\n\n## When To Call the Doctor\n### When should this symptom be treated by a doctor or healthcare provider?\nLethargy can be hard to distinguish from drowsiness, even for trained, experienced healthcare providers. An important thing to be aware of when considering if someone has lethargy is the context.\n\nContext clues to consider include:\n\n- **Recent events or circumstances**. This includes recent injuries, medical procedures, etc.\n- **How suddenly they became lethargic**. Suddenly becoming drowsy and having trouble thinking without any obvious reason is a red flag.\n- **Behavior patterns**. If the sudden change in activity level, alertness or behavior is unusual or seems out of character, that’s a reason to seek medical attention.\n- **Changes in the moment**. If someone seems lethargic but gradually becomes more alert and aware, it’s likely not lethargy. If they stay lethargic or get worse over several minutes, they need medical attention.\n- **If they have other symptoms**. Some symptoms, like those of a stroke, automatically mean that someone needs emergency care. If these symptoms appear, you should call 911 or your local emergency services number immediately because some conditions that cause lethargy are time-sensitive. Every second counts.\n\nIn general, it’s best to err on the side of caution when considering whether or not to get medical care for suspected lethargy.\n\nAdvertisement\n### A note from Cleveland Clinic\nIt can be hard to tell the difference between fatigue and lethargy. The key difference is that lethargy involves a decrease in consciousness. That means you’re less awake, have diminished awareness or are disoriented. Lethargy happens when there’s a disruption in your brain, and it can be a sign of serious or even life-threatening conditions. If you suspect someone has lethargy, it’s best to err on the side of caution. Get medical attention. Many conditions that can cause lethargy are time-sensitive, so acting out of caution is the wisest course of action.\n\nAdvertisement\n\n[![Cleveland Clinic logo](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/logo-ccf.1e52a22b.svg?w=3840&q=75)](https:\/\/my.clevelandclinic.org\/)[![Cleveland Clinic icon](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/CCFLogo.000428c6.svg?w=3840&q=75)](https:\/\/my.clevelandclinic.org\/)\n\n[![Health Essentials logo](https:\/\/my.clevelandclinic.org\/_next\/static\/media\/HealthEssentials.b811bb06.svg?w=3840&q=75)](https:\/\/health.clevelandclinic.org\/)\n\n![Subscription icon](https:\/\/assets.clevelandclinic.org\/transform\/482db8cd-aa1e-45b5-a2a4-cf6aa5e5d2d4\/Health-Essentials?w=256&q=75)\n\n## Better health starts here\nSign up for our Health Essentials emails for expert guidance on nutrition, fitness, sleep, skin care and more.\n\n[Example email](https:\/\/assets.clevelandclinic.org\/transform\/2ff943a2-abb1-4a1c-8ede-f8848703e789\/HealthEssentials-SampleEmail-2026)[Sign up](https:\/\/my.clevelandclinic.org\/health-essentials-sign-up)\n\n[Sign up](https:\/\/my.clevelandclinic.org\/health-essentials-sign-up)[Example email](https:\/\/assets.clevelandclinic.org\/transform\/2ff943a2-abb1-4a1c-8ede-f8848703e789\/HealthEssentials-SampleEmail-2026)\n\n### Experts You Can Trust\nMedically Reviewed.\n\nLast updated on 09\/11\/2023.\n\nLearn more about the [Health Library](https:\/\/my.clevelandclinic.org\/health\/about) and our [editorial process](https:\/\/my.clevelandclinic.org\/about\/website\/editorial-policy).\n\n### References\nCleveland Clinic’s health articles are based on evidence-backed information and review by medical professionals to ensure accuracy, reliability and up-to-date clinical standards.\n#### View Sources\n\n### Experts You Can Trust\nMedically Reviewed.\n\nLast updated on 09\/11\/2023.\n\n### References\nCleveland Clinic’s health articles are based on evidence-backed information and review by medical professionals to ensure accuracy, reliability and up-to-date clinical standards.\n\n- Durcan L. Coma and Disorders of Consciousness. In: McKean SC, Ross JJ, Dressler DD, Scheurer DB, eds. *Principles and Practice of Hospital Medicine.* 2nd ed. McGraw Hill; 2017. Accessed 9\/11\/2023.\n- Lethargy *(https:\/\/www.merriam-webster.com\/dictionary\/lethargy)*. *Merriam-Webster.com Dictionary*, Merriam-Webster. Accessed 9\/11\/2023.\n- Patti L, Gupta M. Change In Mental Status *(https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK441973\/)*. \\[Updated 2022 Aug 8\\]. In: StatPearls \\[Internet\\]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Accessed 9\/11\/2023.\n\nAdvertisement\n\nAdvertisement\n\nAd\n\nAppointments [866\\.588.2264](tel:8665882264)\n\n[Appointments & Locations](https:\/\/my.clevelandclinic.org\/departments\/neurological\/appointments)\n\n[Request an Appointment](https:\/\/my.clevelandclinic.org\/webappointment\/what-to-expect)\n\n[Find a ProviderNeed a primary care doctor or a specialist? 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All Rights Reserved.","attrs_readable_markdown":"### What is lethargy?\nLethargy is a symptom that involves an unusual decrease in consciousness. It’s different from just being drowsy or sleepy. Decreases in your level of consciousness can involve a [change in your mental state](https:\/\/my.clevelandclinic.org\/health\/diseases\/23159-altered-mental-status-ams). That means you may be confused or have trouble remembering things, too.\n\nLethargy comes from two Ancient Greek words: “Lethe,\" meaning “forgetful,” and “argos,” meaning “idle.” As those two terms describe, someone who’s lethargic moves slowly or is difficult to rouse and has trouble thinking, concentrating or remembering.\n\n#### Fatigue vs. lethargy — what’s the difference?\n[Fatigue](https:\/\/my.clevelandclinic.org\/health\/symptoms\/21206-fatigue) is feeling physically exhausted or drained but without any disruption or impairment of your mental abilities. While people often use the term “lethargic” to describe someone who’s tired, fatigued or drowsy, they’re not the same. Lethargy indicates something is affecting your brain, your level of consciousness and other mental functions. But it’s also hard to tell the difference — even for healthcare providers — between lethargy and fatigue or being very tired. Context and additional information can be key in determining if someone has lethargy as a symptom or if they’re really tired.\n\n#### Lethargy and its place in medical terminology\nIn the medical world, “lethargy” isn’t a term that’s as commonly used as in years past. There are a few reasons for this:\n\n- **It’s not specific**. Lethargy doesn’t specify what brain processes are experiencing disruption. It can involve energy level changes, memory problems, reduced thinking ability, a lack of awareness or responsiveness to the world around you, trouble concentrating or other changes.\n- **It’s not precise**. Consciousness ranges from being in the deepest [coma](https:\/\/my.clevelandclinic.org\/health\/diseases\/6007-coma-persistent-vegetative-state) to being completely awake, alert and oriented. Lethargy falls somewhere in between, but there’s no way to pinpoint its exact location in that range.\n- **It’s confusing**. As noted earlier, people commonly use lethargy as a catch-all term. 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Lethargy: What It Is, Causes, Symptoms & Treatment

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Lethargy is a decrease in consciousness. It happens because of disruptions in brain activity. It’s a possible symptom of serious medical conditions.

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What is lethargy? Lethargy is a symptom that involves an unusual decrease in consciousness. It’s different from just being drowsy or sleepy. Decreases in your level of consciousness can involve a change in your mental state . That means you may be confused or have trouble remembering things, too. Lethargy comes from two Ancient Greek words: “Lethe," meaning “forgetful,” and “argos,” meaning “idle.” As those two terms describe, someone who’s lethargic moves slowly or is difficult to rouse and has trouble thinking, concentrating or remembering. Fatigue vs. lethargy — what’s the difference? Fatigue is feeling physically exhausted or drained but without any disruption or impairment of your mental abilities. While people often use the term “lethargic” to describe someone who’s tired, fatigued or drowsy, they’re not the same. Lethargy indicates something is affecting your brain, your level of consciousness and other mental functions. But it’s also hard to tell the difference — even for healthcare providers — between lethargy and fatigue or being very tired. Context and additional information can be key in determining if someone has lethargy as a symptom or if they’re really tired. Lethargy and its place in medical terminology In the medical world, “lethargy” isn’t a term that’s as commonly used as in years past. There are a few reasons for this: It’s not specific . Lethargy doesn’t specify what brain processes are experiencing disruption. It can involve energy level changes, memory problems, reduced thinking ability, a lack of awareness or responsiveness to the world around you, trouble concentrating or other changes. It’s not precise . Consciousness ranges from being in the deepest coma to being completely awake, alert and oriented. Lethargy falls somewhere in between, but there’s no way to pinpoint its exact location in that range. It’s confusing . As noted earlier, people commonly use lethargy as a catch-all term. Using it in a medical context can lead to miscommunication if anyone interprets it differently than it was originally intended.

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Last updated on 09/11/2023. “Lethargy” is a term that no longer sees widespread use in medical settings. It refers to a decrease in consciousness, but many people use it interchangeably to refer to fatigue, drowsiness or sleepiness. Because it involves a decrease in consciousness, it indicates a disruption in brain activity. Advertisement Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. [Policy](https://health.clevelandclinic.org/advertising) Contents [Overview](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#overview)[Possible Causes](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#possible-causes)[Care and Treatment](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#care-and-treatment)[When To Call the Doctor](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#when-to-call-the-doctor) Contents [Overview](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#overview)[Possible Causes](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#possible-causes)[Care and Treatment](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#care-and-treatment)[When To Call the Doctor](https://my.clevelandclinic.org/health/symptoms/25241-lethargy#when-to-call-the-doctor) ## Overview ### What is lethargy? Lethargy is a symptom that involves an unusual decrease in consciousness. It’s different from just being drowsy or sleepy. Decreases in your level of consciousness can involve a [change in your mental state](https://my.clevelandclinic.org/health/diseases/23159-altered-mental-status-ams). That means you may be confused or have trouble remembering things, too. Advertisement Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. [Policy](https://health.clevelandclinic.org/advertising) Lethargy comes from two Ancient Greek words: “Lethe," meaning “forgetful,” and “argos,” meaning “idle.” As those two terms describe, someone who’s lethargic moves slowly or is difficult to rouse and has trouble thinking, concentrating or remembering. #### Fatigue vs. lethargy — what’s the difference? [Fatigue](https://my.clevelandclinic.org/health/symptoms/21206-fatigue) is feeling physically exhausted or drained but without any disruption or impairment of your mental abilities. While people often use the term “lethargic” to describe someone who’s tired, fatigued or drowsy, they’re not the same. Lethargy indicates something is affecting your brain, your level of consciousness and other mental functions. But it’s also hard to tell the difference — even for healthcare providers — between lethargy and fatigue or being very tired. Context and additional information can be key in determining if someone has lethargy as a symptom or if they’re really tired. #### Lethargy and its place in medical terminology In the medical world, “lethargy” isn’t a term that’s as commonly used as in years past. There are a few reasons for this: - **It’s not specific**. Lethargy doesn’t specify what brain processes are experiencing disruption. It can involve energy level changes, memory problems, reduced thinking ability, a lack of awareness or responsiveness to the world around you, trouble concentrating or other changes. - **It’s not precise**. Consciousness ranges from being in the deepest [coma](https://my.clevelandclinic.org/health/diseases/6007-coma-persistent-vegetative-state) to being completely awake, alert and oriented. Lethargy falls somewhere in between, but there’s no way to pinpoint its exact location in that range. - **It’s confusing**. As noted earlier, people commonly use lethargy as a catch-all term. Using it in a medical context can lead to miscommunication if anyone interprets it differently than it was originally intended. Advertisement ## Possible Causes ### What can cause lethargy? Lethargy can be a sign of many conditions. But what they all have in common is that they involve disruptions in brain function. Conditions that can cause lethargy include (but aren’t limited to): - Alcohol intoxication and [alcohol poisoning](https://my.clevelandclinic.org/health/diseases/16640-alcohol-poisoning). - Blood sugar level extremes (including [very low blood sugar \[hypoglycemia\]](https://my.clevelandclinic.org/health/diseases/11647-hypoglycemia-low-blood-sugar) and [very high blood sugar \[hyperglycemia\]](https://my.clevelandclinic.org/health/diseases/9815-hyperglycemia-high-blood-sugar)). - [Brain bleeds](https://my.clevelandclinic.org/health/diseases/14480-brain-bleed-hemorrhage-intracranial-hemorrhage). - [Chronic fatigue syndrome](https://my.clevelandclinic.org/health/diseases/17720-myalgic-encephalomyelitischronic-fatigue-syndrome-mecfs). - Severe [dehydration](https://my.clevelandclinic.org/health/treatments/9013-dehydration). - [Delirium](https://my.clevelandclinic.org/health/diseases/15252-delirium). - Diseases that affect or cause failure of your kidneys or liver (these cause buildup of toxins that can affect your brain). - [Electrolyte imbalances](https://my.clevelandclinic.org/health/symptoms/24019-electrolyte-imbalance) (like [very low sodium \[hyponatremia\]](https://my.clevelandclinic.org/health/diseases/17762-hyponatremia) or [very high calcium \[hypercalcemia\]](https://my.clevelandclinic.org/health/diseases/14597-hypercalcemia)). - Endocrine disorders (like [hypothyroidism](https://my.clevelandclinic.org/health/diseases/12120-hypothyroidism) and [hyperthyroidism](https://my.clevelandclinic.org/health/diseases/14129-hyperthyroidism)). - Extreme body temperatures (including [very low body temperature \[hypothermia\]](https://my.clevelandclinic.org/health/diseases/21164-hypothermia-low-body-temperature) and [very high body temperature \[hyperthermia\]](https://my.clevelandclinic.org/health/diseases/22111-hyperthermia)). - Head injuries, including [concussions](https://my.clevelandclinic.org/health/diseases/15038-concussion) and [traumatic brain injuries (TBI)](https://my.clevelandclinic.org/health/diseases/8874-traumatic-brain-injury). - Infections (especially [encephalitis](https://my.clevelandclinic.org/health/diseases/6058-encephalitis) and [meningitis](https://my.clevelandclinic.org/health/articles/14600-meningitis), as well as life-threatening infection-related conditions like [sepsis](https://my.clevelandclinic.org/health/diseases/12361-sepsis)). - [Intracranial hypertension](https://my.clevelandclinic.org/health/diseases/21968-idiopathic-intracranial-hypertension) (like from conditions such as [hydrocephalus](https://my.clevelandclinic.org/health/diseases/17334-hydrocephalus)). - Lack of blood flow (like any kind of stroke, especially [ischemic stroke](https://my.clevelandclinic.org/health/diseases/24208-ischemic-stroke-clots)). - Lack of oxygen ([cerebral hypoxia](https://my.clevelandclinic.org/health/diseases/6025-cerebral-hypoxia)). - Medical and nonmedical drug use and overdose. - Mental health conditions, especially when they disrupt brain function ([major depressive disorder](https://my.clevelandclinic.org/health/diseases/24481-clinical-depression-major-depressive-disorder), for example). - [Seizures](https://my.clevelandclinic.org/health/diseases/22789-seizure). (Lethargy after a seizure is common. If someone is lethargic more than 30 minutes after a seizure, they need immediate medical attention. They could be having status epilepticus from ongoing seizure activity in their brain that isn’t causing other visible symptoms. [Status epilepticus](https://my.clevelandclinic.org/health/diseases/24729-status-epilepticus) is a medical emergency.) - Toxins and poisons (like [carbon monoxide](https://my.clevelandclinic.org/health/diseases/15663-carbon-monoxide-poisoning) or [heavy metals](https://my.clevelandclinic.org/health/diseases/23424-heavy-metal-poisoning-toxicity)). ## Care and Treatment ### How is lethargy treated? Treating lethargy almost always involves treating the condition causing it. Because so many conditions can cause or contribute to lethargy, the possible treatments can vary widely. #### What can I do at home to treat lethargy? Lethargy is a possible symptom of a life-threatening medical emergency. You shouldn’t try to treat it on your own. #### What are the possible complications or risks of not treating lethargy? Lethargy can signal severe or life-threatening medical conditions. Many of these conditions can cause brain damage or even death without treatment. ### Can lethargy be prevented? Lethargy happens unpredictably. The conditions that can cause it generally aren’t preventable. But there are some things you can do to reduce the risk of developing these conditions. - **Manage your chronic conditions**. Following your healthcare provider’s guidance on managing chronic conditions like diabetes and epilepsy can lower your odds of developing a condition that can cause lethargy. - **Wear safety equipment**. Head injuries, especially concussions and traumatic brain injuries, can cause or contribute to lethargy. Helmets, safety restraints, seat belts and other protective gear are essential for reducing your risk. - **Eat a balanced diet**. A balanced diet can reduce the risk of developing electrolyte imbalances and vitamin or mineral deficiencies that could cause lethargy. Your diet also affects your circulatory health, which can help avoid conditions like stroke. - **Stay physically active and reach and maintain a weight that’s healthy for you**. Your weight and activity level can prevent or delay conditions that affect your brain, especially conditions that could cause or contribute to lethargy. - **Avoid substance and nonmedical drug use, and only use alcohol in moderation**. Alcohol and substance use disorders can cause or contribute to lethargy. You should always take prescription medications as directed, as this reduces the risk of developing problems or complications. - **Get adequate sleep**. Most adults require [seven to eight hours](https://health.clevelandclinic.org/how-much-sleep-do-i-need/) of sleep every night. Insufficient sleep can worsen your symptoms. Advertisement ## When To Call the Doctor ### When should this symptom be treated by a doctor or healthcare provider? Lethargy can be hard to distinguish from drowsiness, even for trained, experienced healthcare providers. An important thing to be aware of when considering if someone has lethargy is the context. Context clues to consider include: - **Recent events or circumstances**. This includes recent injuries, medical procedures, etc. - **How suddenly they became lethargic**. Suddenly becoming drowsy and having trouble thinking without any obvious reason is a red flag. - **Behavior patterns**. If the sudden change in activity level, alertness or behavior is unusual or seems out of character, that’s a reason to seek medical attention. - **Changes in the moment**. If someone seems lethargic but gradually becomes more alert and aware, it’s likely not lethargy. If they stay lethargic or get worse over several minutes, they need medical attention. - **If they have other symptoms**. Some symptoms, like those of a stroke, automatically mean that someone needs emergency care. If these symptoms appear, you should call 911 or your local emergency services number immediately because some conditions that cause lethargy are time-sensitive. Every second counts. In general, it’s best to err on the side of caution when considering whether or not to get medical care for suspected lethargy. Advertisement ### A note from Cleveland Clinic It can be hard to tell the difference between fatigue and lethargy. The key difference is that lethargy involves a decrease in consciousness. That means you’re less awake, have diminished awareness or are disoriented. Lethargy happens when there’s a disruption in your brain, and it can be a sign of serious or even life-threatening conditions. If you suspect someone has lethargy, it’s best to err on the side of caution. Get medical attention. Many conditions that can cause lethargy are time-sensitive, so acting out of caution is the wisest course of action. Advertisement [![Cleveland Clinic logo](https://my.clevelandclinic.org/_next/static/media/logo-ccf.1e52a22b.svg?w=3840&q=75)](https://my.clevelandclinic.org/)[![Cleveland Clinic icon](https://my.clevelandclinic.org/_next/static/media/CCFLogo.000428c6.svg?w=3840&q=75)](https://my.clevelandclinic.org/) [![Health Essentials logo](https://my.clevelandclinic.org/_next/static/media/HealthEssentials.b811bb06.svg?w=3840&q=75)](https://health.clevelandclinic.org/) ![Subscription icon](https://assets.clevelandclinic.org/transform/482db8cd-aa1e-45b5-a2a4-cf6aa5e5d2d4/Health-Essentials?w=256&q=75) ## Better health starts here Sign up for our Health Essentials emails for expert guidance on nutrition, fitness, sleep, skin care and more. [Example email](https://assets.clevelandclinic.org/transform/2ff943a2-abb1-4a1c-8ede-f8848703e789/HealthEssentials-SampleEmail-2026)[Sign up](https://my.clevelandclinic.org/health-essentials-sign-up) [Sign up](https://my.clevelandclinic.org/health-essentials-sign-up)[Example email](https://assets.clevelandclinic.org/transform/2ff943a2-abb1-4a1c-8ede-f8848703e789/HealthEssentials-SampleEmail-2026) ### Experts You Can Trust Medically Reviewed. Last updated on 09/11/2023. Learn more about the [Health Library](https://my.clevelandclinic.org/health/about) and our [editorial process](https://my.clevelandclinic.org/about/website/editorial-policy). ### References Cleveland Clinic’s health articles are based on evidence-backed information and review by medical professionals to ensure accuracy, reliability and up-to-date clinical standards. #### View Sources ### Experts You Can Trust Medically Reviewed. Last updated on 09/11/2023. ### References Cleveland Clinic’s health articles are based on evidence-backed information and review by medical professionals to ensure accuracy, reliability and up-to-date clinical standards. - Durcan L. Coma and Disorders of Consciousness. In: McKean SC, Ross JJ, Dressler DD, Scheurer DB, eds. *Principles and Practice of Hospital Medicine.* 2nd ed. McGraw Hill; 2017. Accessed 9/11/2023. - Lethargy *(https://www.merriam-webster.com/dictionary/lethargy)*. *Merriam-Webster.com Dictionary*, Merriam-Webster. Accessed 9/11/2023. - Patti L, Gupta M. Change In Mental Status *(https://www.ncbi.nlm.nih.gov/books/NBK441973/)*. \[Updated 2022 Aug 8\]. In: StatPearls \[Internet\]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Accessed 9/11/2023. 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Readable Markdown

### What is lethargy? Lethargy is a symptom that involves an unusual decrease in consciousness. It’s different from just being drowsy or sleepy. Decreases in your level of consciousness can involve a [change in your mental state](https://my.clevelandclinic.org/health/diseases/23159-altered-mental-status-ams). That means you may be confused or have trouble remembering things, too. Lethargy comes from two Ancient Greek words: “Lethe," meaning “forgetful,” and “argos,” meaning “idle.” As those two terms describe, someone who’s lethargic moves slowly or is difficult to rouse and has trouble thinking, concentrating or remembering. #### Fatigue vs. lethargy — what’s the difference? [Fatigue](https://my.clevelandclinic.org/health/symptoms/21206-fatigue) is feeling physically exhausted or drained but without any disruption or impairment of your mental abilities. While people often use the term “lethargic” to describe someone who’s tired, fatigued or drowsy, they’re not the same. Lethargy indicates something is affecting your brain, your level of consciousness and other mental functions. But it’s also hard to tell the difference — even for healthcare providers — between lethargy and fatigue or being very tired. Context and additional information can be key in determining if someone has lethargy as a symptom or if they’re really tired. #### Lethargy and its place in medical terminology In the medical world, “lethargy” isn’t a term that’s as commonly used as in years past. There are a few reasons for this: - **It’s not specific**. Lethargy doesn’t specify what brain processes are experiencing disruption. It can involve energy level changes, memory problems, reduced thinking ability, a lack of awareness or responsiveness to the world around you, trouble concentrating or other changes. - **It’s not precise**. Consciousness ranges from being in the deepest [coma](https://my.clevelandclinic.org/health/diseases/6007-coma-persistent-vegetative-state) to being completely awake, alert and oriented. Lethargy falls somewhere in between, but there’s no way to pinpoint its exact location in that range. - **It’s confusing**. As noted earlier, people commonly use lethargy as a catch-all term. Using it in a medical context can lead to miscommunication if anyone interprets it differently than it was originally intended.

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