🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 9 (from laksa018)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa009.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.uchealth.org/diseases-conditions/fever/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.uchealth.org/diseases-conditions/fever/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.uchealth.org\/diseases-conditions\/fever\/","crawl_time":1773790222,"first_indexed_time":1634963886,"http_code":200,"src_unparsed":"org,uchealth!www,\/diseases-conditions\/fever\/ s443","src_root_hash":"11407199625802505409","history_drop_reason":null,"meta_title":"Fever | Diagnosis & Treatments | Metro Denver and Colorado | UCHealth","meta_descriptions":["A fever is a rise in body temperature above what is considered normal, and usually results from an infection. Treatment depends on severity."],"attrs_boilerpipe_text":"A fever is a rise in body temperature above the normal temperature of 98.6°F (although “normal” temperatures can vary slightly from person to person). Fevers usually result from an infection from either a virus or bacteria.\nA number of medications can be effective in lowering a fever. However, in some instances, the best course of action might be to leave it untreated, as a fever is the body’s natural way of fighting off infection.\nSymptoms and causes of a fever\nSymptoms\nDepending on what’s causing your fever, signs and symptoms may include:\nChills and shivering.\nDehydration.\nGeneral weakness.\nHeadache\n.\nIrritability.\nLoss of appetite.\nMuscle aches.\nSweating.\nCauses\nFever or elevated body temperature could result from:\nA bacterial infection.\nA virus.\nA malignant tumor.\nCertain inflammatory conditions such as \nrheumatoid arthritis\n.\nHeat exhaustion.\nSome medications, such as antibiotics and drugs used to treat\nhigh blood pressure\nor seizures.\nSome \nimmunizations\n, such as the diphtheria, tetanus, and acellular pertussis (DTaP) or pneumococcal vaccine.\nTreating a fever\nOTC (over-the-counter) medications\nThe most common treatment for fever includes over-the-counter medications such as acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin IB, others). It’s important to follow the label instructions for these medications as recommended by your doctor.\nIt’s especially important to avoid taking too much. High doses or long-term use of acetaminophen or ibuprofen may cause liver or kidney damage, and acute overdoses can be fatal.\nIf your child’s fever doesn’t reduce after the first dose, don’t give more medication. Call your doctor instead.\nAnd always remember: don’t give aspirin to children\n. Doing so might trigger a rare, but potentially fatal, disorder known as Reye’s syndrome.\nPrescription medications\nIf your doctor suspects your fever is caused by a bacterial infection like pneumonia or \nstrep throat\n, he or she may prescribe an antibiotic.\nEven though antibiotics aren’t an effective treatment against viral infections, your doctor can prescribe any number of antiviral drugs to treat a range of viral infections. However, the best way to treat most minor illnesses associated with viruses is to get plenty of rest and to drink plenty of fluids.\nAs noted, a number of different medications can be effective in lowering a fever.\nIn some instances, though, the best course of action might be to leave your fever untreated. A fever is the body’s natural way of fighting off infection.\nMore about kids and fever\n“Normal” body temperatures can fluctuate\nBody temperature fluctuates for everyone throughout the day, including children. Body temperature can also be influenced by activity level and other factors. That means it’s perfectly normal for your child’s temperature to vary from day to day. Remember, you should only start to worry about a fever is it’s 100.4˚ F or higher.\nHere are some helpful reminders for when you \nshouldn’t\n worry about your child’s fever:\nIf it lasts less than five days and if your child’s behavior is relatively normal. There’s nothing to worry about as long as your child continues to be playful and is eating and drinking normally. You may note that your child does seem to be more tired than usual.\nA low-grade fever (less than 100˚ F) after recent immunizations. Low-grade fevers are fairly common and are considered normal if they don’t persist longer than 48 hours.\nFrequently asked questions (FAQs) about fever\nHow long does a fever last?\nMost fevers tend to last between one to three days, although a persistent or recurrent fever may last or keep coming back for up to 14 days. If your fever lasts longer than normal, you may have a more serious infection that will require immediate medical attention.\nWhat is a low-grade fever?\nA low-grade fever is classified as any fever between 99.6° F to 100.3° F.\nCan dehydration cause fever?\nYes. Extreme dehydration can lead to a dangerous spike in body temperature that may require medical attention if the fever exceeds 101 degrees F.\nCan a sinus infection cause fever?\nYes. When you get a \nsinus infection\n either due to a virus or bacteria, your body raises its internal temperature in an effort to try and kill the infection off. A low-grade fever is a common symptom of a sinus infection.\nCan a urinary tract infection (UTI) cause fever?\nYes. A \nurinary tract infection (UTI)\n is a common infection that happens when bacteria, often from the skin or rectum, enter the urethra, and infect the urinary tract. This infection can impact either the bladder or the kidneys, with a kidney infection being more serious.\nCan you have coronavirus without a fever?\nYes. It is possible to have COVID-19 with minimal or even no symptoms at all.\nCan food poisoning cause fever?\nYes. According to the CDC, common \nsymptoms of food poisoning\n are:\nDiarrhea.\nFever.\nNausea.\nStomach cramps.\nUpset stomach.\nVomiting.\nCan you have chills without a fever?\nYes. Even though they’re symptoms that often appear together, it’s possible to have chills without a fever and fever without chills.","attrs_markdown":"[Skip to content](https:\/\/www.uchealth.org\/diseases-conditions\/fever\/#main)\n\n- [Referrals](https:\/\/www.uchealth.org\/referrals\/)\n- [Careers](https:\/\/careers.uchealth.org\/)\n- [Bill pay](https:\/\/www.uchealth.org\/billing-and-pricing\/)\n- [Research studies](https:\/\/www.uchealth.org\/research-studies\/)\n- [Ready. Set. CO.](https:\/\/www.uchealth.org\/readysetco\/)\n\n[Español](https:\/\/es.uchealth.org\/diseases-conditions\/fever\/)\n\n- [Doctors](https:\/\/www.uchealth.org\/provider\/)\n- [Specialties](https:\/\/www.uchealth.org\/services\/)\n- [Locations](https:\/\/www.uchealth.org\/locations\/)\n- [Schedule Appointment](https:\/\/www.uchealth.org\/schedule-appointment\/)\n- [Virtual Urgent Care](https:\/\/www.uchealth.org\/services\/virtual-urgent-care\/)\n\n- [Billing & pricing](https:\/\/www.uchealth.org\/billing-and-pricing\/)\n- [Referrals](https:\/\/www.uchealth.org\/referrals\/)\n- [Give](https:\/\/www.uchealth.org\/give-to-uchealth\/)\n- [Careers](https:\/\/careers.uchealth.org\/)\n\n[Español](https:\/\/es.uchealth.org\/diseases-conditions\/fever\/)\n\n- [Log in to My Health Connection](https:\/\/www.uchealth.org\/access-my-health-connection\/)\n\n- [About UCHealth](https:\/\/www.uchealth.org\/about\/)\n- [Classes & events](https:\/\/events.uchealth.org\/)\n- [Ready. Set. CO.](https:\/\/www.uchealth.org\/readysetco\/)\n- [Clinical trials](https:\/\/www.uchealth.org\/clinical-trials\/)\n- [Employees](https:\/\/www.uchealth.org\/employees\/)\n- [Professionals](https:\/\/www.uchealth.org\/professionals\/)\n- [Media inquiries](https:\/\/www.uchealth.org\/public-relations-and-communications\/)\n- [Financial assistance](https:\/\/www.uchealth.org\/billing-and-pricing\/financial-assistance\/)\n- [Contact us](https:\/\/www.uchealth.org\/contact-us\/)\n- [News & stories](https:\/\/www.uchealth.org\/today\/)\n\n- [![Google News](https:\/\/www.uchealth.org\/wp-content\/themes\/uchealth\/img\/icon-google-news-white.svg)](https:\/\/news.google.com\/publications\/CAAqBwgKMJagmQswtqqxAw?oc=3&ceid=US:en&hl=en-US&gl=US \"Google News\")\n- [![LinkedIn](https:\/\/www.uchealth.org\/wp-content\/themes\/uchealth\/img\/linkedin.png)](https:\/\/www.linkedin.com\/company\/uchealth \"LinkedIn\")\n\n- [Doctors](https:\/\/www.uchealth.org\/provider\/)\n- [Specialties](https:\/\/www.uchealth.org\/services\/)\n- [Locations](https:\/\/www.uchealth.org\/locations\/)\n- [Schedule](https:\/\/www.uchealth.org\/schedule-appointment\/)\n\n[![UCHealth](https:\/\/www.uchealth.org\/wp-content\/themes\/uchealth\/img\/logo.svg)](https:\/\/www.uchealth.org\/)\n\n[My Health Connection](https:\/\/www.uchealth.org\/access-my-health-connection\/)  [Log in](https:\/\/www.uchealth.org\/access-my-health-connection\/)\n\n![Young man sleeping on his back](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2021\/08\/04123110\/Young-man-sleeping-hero-1600x709.webp)\n\n![Young man sleeping on his back](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2021\/08\/04123115\/Young-man-sleeping-hero-mobile.webp)\n\n1. [Home](https:\/\/www.uchealth.org\/)\n2. [Specialties](https:\/\/www.uchealth.org\/services\/%20)\n3. [Primary care](https:\/\/www.uchealth.org\/services\/primary-care\/)\n4. [Fever](https:\/\/www.uchealth.org\/diseases-conditions\/fever\/)\n# Fever\nA fever is a rise in body temperature above the normal temperature of 98.6°F (although “normal” temperatures can vary slightly from person to person). Fevers usually result from an infection from either a virus or bacteria.\n\nA number of medications can be effective in lowering a fever. However, in some instances, the best course of action might be to leave it untreated, as a fever is the body’s natural way of fighting off infection.\n\n[Find treatment providers](https:\/\/www.uchealth.org\/provider\/?areaOfCare=Primary%20care&cityorzip=Aurora%2C%20CO%2C%20USA&distance=13000%20miles&deeplink=1)\n\n[Find treatment locations](https:\/\/www.uchealth.org\/locations\/?locationType=Primary%20Care&distance=13000%20miles&cityOrZip=Aurora%2C%20CO%2C%20USA&deeplink=1)\n\n### When is a fever cause for concern?\nAccording to the CDC, a fever is defined as a person having a temperature of 100.4° F (38° C) or greater, feels warm to the touch or gives a history of feeling feverish.\n\nIn adults, a fever isn’t considered serious until it reaches 103° F (39.4 C) or higher.\n\n## What about fevers in children?\nFor children, treatment guidelines depend on the age of your child:\n\n- If your infant is a newborn up to three months and has a temperature above 100.4 degrees, it’s time to see a doctor.\n- For children ages three months to three years, call your doctor if their fever is 102 degrees or higher.\n- For kids three years and older, a fever of 103 degrees or higher means it’s time to call your doctor.\n\n![Man in hat holding child](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2020\/05\/13151607\/UCHealth-Duotone-Desktop-Generic-33.webp)![](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2020\/05\/13151840\/UCHealth-Duotone-Mobile-Generic-34.webp)![Father and young son looking out airport terminal window](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2021\/08\/26112354\/Father-and-son-looking-out-window-at-airport-terminal-lifestyle.webp)\n\n## Symptoms and causes of a fever\n#### **Symptoms**\nDepending on what’s causing your fever, signs and symptoms may include:\n\n- Chills and shivering.\n- Dehydration.\n- General weakness.\n- [Headache](https:\/\/www.uchealth.org\/diseases-conditions\/headache\/).\n- Irritability.\n- Loss of appetite.\n- Muscle aches.\n- Sweating.\n\n#### **Causes**\nFever or elevated body temperature could result from:\n\n- A bacterial infection.\n- A virus.\n- A malignant tumor.\n- Certain inflammatory conditions such as [rheumatoid arthritis](https:\/\/www.uchealth.org\/diseases-conditions\/rheumatoid-arthritis\/).\n- Heat exhaustion.\n- Some medications, such as antibiotics and drugs used to treat [high blood pressure](https:\/\/www.uchealth.org\/diseases-conditions\/high-blood-pressure\/) or seizures.\n- Some [immunizations](https:\/\/www.uchealth.org\/treatments-procedures\/immunizations-and-vaccines\/), such as the diphtheria, tetanus, and acellular pertussis (DTaP) or pneumococcal vaccine.\n\n## Treating a fever\n#### **OTC (over-the-counter) medications**\nThe most common treatment for fever includes over-the-counter medications such as acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin IB, others). It’s important to follow the label instructions for these medications as recommended by your doctor.\n\nIt’s especially important to avoid taking too much. High doses or long-term use of acetaminophen or ibuprofen may cause liver or kidney damage, and acute overdoses can be fatal.\n\nIf your child’s fever doesn’t reduce after the first dose, don’t give more medication. Call your doctor instead.\n\n**And always remember: don’t give aspirin to children**. Doing so might trigger a rare, but potentially fatal, disorder known as Reye’s syndrome.\n\n#### **Prescription medications**\nIf your doctor suspects your fever is caused by a bacterial infection like pneumonia or [strep throat](https:\/\/www.uchealth.org\/diseases-conditions\/sore-throat\/), he or she may prescribe an antibiotic.\n\nEven though antibiotics aren’t an effective treatment against viral infections, your doctor can prescribe any number of antiviral drugs to treat a range of viral infections. However, the best way to treat most minor illnesses associated with viruses is to get plenty of rest and to drink plenty of fluids.\n\nAs noted, a number of different medications can be effective in lowering a fever.\n\nIn some instances, though, the best course of action might be to leave your fever untreated. A fever is the body’s natural way of fighting off infection.\n\n![Woman on couch engaging with provider on her mobile phone](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2020\/04\/03122430\/UCHealth-vv-banner-desktop.webp)\n\n## More about kids and fever\n#### **“Normal” body temperatures can fluctuate**\nBody temperature fluctuates for everyone throughout the day, including children. Body temperature can also be influenced by activity level and other factors. That means it’s perfectly normal for your child’s temperature to vary from day to day. Remember, you should only start to worry about a fever is it’s 100.4˚ F or higher.\n\nHere are some helpful reminders for when you *shouldn’t* worry about your child’s fever:\n\n- If it lasts less than five days and if your child’s behavior is relatively normal. There’s nothing to worry about as long as your child continues to be playful and is eating and drinking normally. You may note that your child does seem to be more tired than usual.\n- A low-grade fever (less than 100˚ F) after recent immunizations. Low-grade fevers are fairly common and are considered normal if they don’t persist longer than 48 hours.\n\n![Two schoolkids wearing masks](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2021\/08\/26120851\/Two-schoolkids-wearing-masks-hero-mobile.webp)\n## Frequently asked questions (FAQs) about fever\nHow long does a fever last?\n\nMost fevers tend to last between one to three days, although a persistent or recurrent fever may last or keep coming back for up to 14 days. If your fever lasts longer than normal, you may have a more serious infection that will require immediate medical attention.\n\nWhat is a low-grade fever?\n\nA low-grade fever is classified as any fever between 99.6° F to 100.3° F.\n\nCan dehydration cause fever?\n\nYes. Extreme dehydration can lead to a dangerous spike in body temperature that may require medical attention if the fever exceeds 101 degrees F.\n\nCan a sinus infection cause fever?\n\nYes. When you get a [sinus infection](https:\/\/www.uchealth.org\/diseases-conditions\/sinus-infections\/) either due to a virus or bacteria, your body raises its internal temperature in an effort to try and kill the infection off. A low-grade fever is a common symptom of a sinus infection.\n\nCan a urinary tract infection (UTI) cause fever?\n\nYes. A [urinary tract infection (UTI)](https:\/\/www.uchealth.org\/diseases-conditions\/urinary-tract-infections\/) is a common infection that happens when bacteria, often from the skin or rectum, enter the urethra, and infect the urinary tract. This infection can impact either the bladder or the kidneys, with a kidney infection being more serious.\n\nCan you have coronavirus without a fever?\n\nYes. It is possible to have COVID-19 with minimal or even no symptoms at all.\n\nCan food poisoning cause fever?\n\nYes. According to the CDC, common [symptoms of food poisoning](https:\/\/www.uchealth.org\/diseases-conditions\/nausea\/) are:\n\n- Diarrhea.\n- Fever.\n- Nausea.\n- Stomach cramps.\n- Upset stomach.\n- Vomiting.\n\nCan you have chills without a fever?\n\nYes. Even though they’re symptoms that often appear together, it’s possible to have chills without a fever and fever without chills.\n\n## References\nMedlinePlus: National Library of Medicine. Fever ([https:\/\/medlineplus.gov\/ency\/article\/003090.htm](https:\/\/medlineplus.gov\/ency\/article\/003090.htm))\n\nNational Center for Biotechnology Information (NCBI): National Library of Medicine. Fever as an important resource for infectious diseases research ([https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4869589\/](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4869589\/))\n\n[![UCHealth](https:\/\/www.uchealth.org\/wp-content\/themes\/uchealth\/img\/logo-white.svg)](https:\/\/www.uchealth.org\/ \"UCHealth Logo\")\n\nMetro Denver\n\n[720\\.848.0000](tel:17208480000)\n\nNorthern Colorado\n\n[970\\.495.7000](tel:19704957000)\n\nSouthern Colorado\n\n[719\\.365.5000](tel:17193655000)\n\nPara información en español llame al\n\n[844\\.945.2500](tel:18449452500)\n\n#### Patient support\n- [My Health Connection](https:\/\/www.uchealth.org\/access-my-health-connection\/)\n- [Schedule appointment](https:\/\/www.uchealth.org\/schedule-appointment\/)\n- [Find a doctor](https:\/\/www.uchealth.org\/provider\/)\n- [Find a location](https:\/\/www.uchealth.org\/locations\/)\n- [Find a specialty](https:\/\/www.uchealth.org\/services\/)\n- [Insurance accepted](https:\/\/www.uchealth.org\/billing-and-pricing\/insured-patients\/)\n- [Billing & pricing](https:\/\/www.uchealth.org\/billing-and-pricing\/)\n- [Price transparency](https:\/\/www.uchealth.org\/billing-and-pricing\/shoppable-services-and-all-services-price-lists\/)\n\n#### Resources\n- [Medical records](https:\/\/www.uchealth.org\/access-my-health-connection\/medical-records-uchealth\/)\n- [Classes & events](https:\/\/events.uchealth.org\/)\n- [Referrals](https:\/\/www.uchealth.org\/referrals\/)\n- [Research studies](https:\/\/www.uchealth.org\/research-studies\/)\n- [For employees](https:\/\/www.uchealth.org\/employees\/)\n- [For professionals](https:\/\/www.uchealth.org\/professionals\/)\n- [News & stories](https:\/\/www.uchealth.org\/today\/)\n\n#### UCHealth\n- [About UCHealth](https:\/\/www.uchealth.org\/about\/)\n- [Careers](https:\/\/careers.uchealth.org\/)\n- [Volunteer](https:\/\/www.uchealth.org\/give-to-uchealth\/volunteer\/)\n- [Give to UCHealth](https:\/\/www.uchealth.org\/give-to-uchealth\/)\n- [Innovation Center](https:\/\/www.uchealth.org\/innovation\/)\n- [Nondiscrimination](https:\/\/www.uchealth.org\/about\/nondiscrimination\/)\n- [Biobank (CCPM)](https:\/\/www.uchealth.org\/services\/biobank\/)\n- [Contact us](https:\/\/www.uchealth.org\/contact-us\/)\n- [Vendor data breach information](https:\/\/www.uchealth.org\/notifications\/patient-transport-vendor-reports-patient-data-involved-in-cyber-attack\/)\n\nDownload the UCHealth App\n\n[![download our app for your iPhone](https:\/\/s3.amazonaws.com\/uchealth-wp-uploads\/wp-content\/uploads\/2016\/08\/08063103\/Download-Apple-icon.png)](https:\/\/apps.apple.com\/us\/app\/uchealth\/id1190643586) [![download our app for your Android](https:\/\/s3.amazonaws.com\/uchealth-wp-uploads\/wp-content\/uploads\/2018\/06\/26094750\/Google-Play-Button-e1530028116191.png)](https:\/\/play.google.com\/store\/apps\/details?id=com.uchealth.mobile&hl=en_US)\n\n- [Privacy Policy](https:\/\/www.uchealth.org\/privacy-policy\/)\n- [Disclaimer](https:\/\/www.uchealth.org\/disclaimer\/)\n\n- [![Google News](https:\/\/www.uchealth.org\/wp-content\/themes\/uchealth\/img\/icon-google-news-white.svg)](https:\/\/news.google.com\/publications\/CAAqBwgKMJagmQswtqqxAw?oc=3&ceid=US:en)\n- [![LinkedIn](https:\/\/www.uchealth.org\/wp-content\/themes\/uchealth\/img\/linkedin.png)](https:\/\/www.linkedin.com\/company\/uchealth)\n\n© 2026 UCHealth. All rights reserved.\n\n[Back to top](https:\/\/www.uchealth.org\/diseases-conditions\/fever\/#header)\n\nWe use cookies to make interactions with our website easy and meaningful. By continuing to use this site you are giving us your consent. [Learn how cookies are used on our site.](https:\/\/uchealth.org\/privacy-policy\/)\n\n[Accept terms]()\n\nManage consent\n\nClose\n\n#### Privacy Overview\nThis website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.\n\n[Necessary]()\n\nNecessary\n\nAlways Enabled\n\nNecessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.\n\n| Cookie | Duration | Description |\n|---|---|---|\n| cookielawinfo-checbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category \"Analytics\". |\n| cookielawinfo-checbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category \"Functional\". |\n| cookielawinfo-checbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category \"Other. |\n| cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category \"Necessary\". |\n| cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category \"Performance\". |\n| viewed\\_cookie\\_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |\n\n[Functional]()\n\nFunctional\n\nFunctional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.\n\n[Performance]()\n\nPerformance\n\nPerformance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.\n\n[Analytics]()\n\nAnalytics\n\nAnalytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.\n\n[Advertisement]()\n\nAdvertisement\n\nAdvertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.\n\n[Others]()\n\nOthers\n\nOther uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.\n\n[SAVE & ACCEPT]()","attrs_readable_markdown":"A fever is a rise in body temperature above the normal temperature of 98.6°F (although “normal” temperatures can vary slightly from person to person). Fevers usually result from an infection from either a virus or bacteria.\n\nA number of medications can be effective in lowering a fever. However, in some instances, the best course of action might be to leave it untreated, as a fever is the body’s natural way of fighting off infection.\n\n## Symptoms and causes of a fever\n#### **Symptoms**\nDepending on what’s causing your fever, signs and symptoms may include:\n\n- Chills and shivering.\n- Dehydration.\n- General weakness.\n- [Headache](https:\/\/www.uchealth.org\/diseases-conditions\/headache\/).\n- Irritability.\n- Loss of appetite.\n- Muscle aches.\n- Sweating.\n\n#### **Causes**\nFever or elevated body temperature could result from:\n\n- A bacterial infection.\n- A virus.\n- A malignant tumor.\n- Certain inflammatory conditions such as [rheumatoid arthritis](https:\/\/www.uchealth.org\/diseases-conditions\/rheumatoid-arthritis\/).\n- Heat exhaustion.\n- Some medications, such as antibiotics and drugs used to treat [high blood pressure](https:\/\/www.uchealth.org\/diseases-conditions\/high-blood-pressure\/) or seizures.\n- Some [immunizations](https:\/\/www.uchealth.org\/treatments-procedures\/immunizations-and-vaccines\/), such as the diphtheria, tetanus, and acellular pertussis (DTaP) or pneumococcal vaccine.\n\n## Treating a fever\n#### **OTC (over-the-counter) medications**\nThe most common treatment for fever includes over-the-counter medications such as acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin IB, others). It’s important to follow the label instructions for these medications as recommended by your doctor.\n\nIt’s especially important to avoid taking too much. High doses or long-term use of acetaminophen or ibuprofen may cause liver or kidney damage, and acute overdoses can be fatal.\n\nIf your child’s fever doesn’t reduce after the first dose, don’t give more medication. Call your doctor instead.\n\n**And always remember: don’t give aspirin to children**. Doing so might trigger a rare, but potentially fatal, disorder known as Reye’s syndrome.\n\n#### **Prescription medications**\nIf your doctor suspects your fever is caused by a bacterial infection like pneumonia or [strep throat](https:\/\/www.uchealth.org\/diseases-conditions\/sore-throat\/), he or she may prescribe an antibiotic.\n\nEven though antibiotics aren’t an effective treatment against viral infections, your doctor can prescribe any number of antiviral drugs to treat a range of viral infections. However, the best way to treat most minor illnesses associated with viruses is to get plenty of rest and to drink plenty of fluids.\n\nAs noted, a number of different medications can be effective in lowering a fever.\n\nIn some instances, though, the best course of action might be to leave your fever untreated. A fever is the body’s natural way of fighting off infection.\n\n![Woman on couch engaging with provider on her mobile phone](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2020\/04\/03122430\/UCHealth-vv-banner-desktop.webp)\n\n## More about kids and fever\n#### **“Normal” body temperatures can fluctuate**\nBody temperature fluctuates for everyone throughout the day, including children. Body temperature can also be influenced by activity level and other factors. That means it’s perfectly normal for your child’s temperature to vary from day to day. Remember, you should only start to worry about a fever is it’s 100.4˚ F or higher.\n\nHere are some helpful reminders for when you *shouldn’t* worry about your child’s fever:\n\n- If it lasts less than five days and if your child’s behavior is relatively normal. There’s nothing to worry about as long as your child continues to be playful and is eating and drinking normally. You may note that your child does seem to be more tired than usual.\n- A low-grade fever (less than 100˚ F) after recent immunizations. Low-grade fevers are fairly common and are considered normal if they don’t persist longer than 48 hours.\n\n![Two schoolkids wearing masks](https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/2021\/08\/26120851\/Two-schoolkids-wearing-masks-hero-mobile.webp)\n## Frequently asked questions (FAQs) about fever\nHow long does a fever last?\n\nMost fevers tend to last between one to three days, although a persistent or recurrent fever may last or keep coming back for up to 14 days. If your fever lasts longer than normal, you may have a more serious infection that will require immediate medical attention.\n\nWhat is a low-grade fever?\n\nA low-grade fever is classified as any fever between 99.6° F to 100.3° F.\n\nCan dehydration cause fever?\n\nYes. Extreme dehydration can lead to a dangerous spike in body temperature that may require medical attention if the fever exceeds 101 degrees F.\n\nCan a sinus infection cause fever?\n\nYes. When you get a [sinus infection](https:\/\/www.uchealth.org\/diseases-conditions\/sinus-infections\/) either due to a virus or bacteria, your body raises its internal temperature in an effort to try and kill the infection off. A low-grade fever is a common symptom of a sinus infection.\n\nCan a urinary tract infection (UTI) cause fever?\n\nYes. A [urinary tract infection (UTI)](https:\/\/www.uchealth.org\/diseases-conditions\/urinary-tract-infections\/) is a common infection that happens when bacteria, often from the skin or rectum, enter the urethra, and infect the urinary tract. This infection can impact either the bladder or the kidneys, with a kidney infection being more serious.\n\nCan you have coronavirus without a fever?\n\nYes. It is possible to have COVID-19 with minimal or even no symptoms at all.\n\nCan food poisoning cause fever?\n\nYes. According to the CDC, common [symptoms of food poisoning](https:\/\/www.uchealth.org\/diseases-conditions\/nausea\/) are:\n\n- Diarrhea.\n- Fever.\n- Nausea.\n- Stomach cramps.\n- Upset stomach.\n- Vomiting.\n\nCan you have chills without a fever?\n\nYes. Even though they’re symptoms that often appear together, it’s possible to have chills without a fever and fever without chills.","meta_canonical":null}

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URL	https://www.uchealth.org/diseases-conditions/fever/
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Meta Title	Fever \| Diagnosis & Treatments \| Metro Denver and Colorado \| UCHealth
Meta Description	A fever is a rise in body temperature above what is considered normal, and usually results from an infection. Treatment depends on severity.
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Boilerpipe Text	A fever is a rise in body temperature above the normal temperature of 98.6°F (although “normal” temperatures can vary slightly from person to person). Fevers usually result from an infection from either a virus or bacteria. A number of medications can be effective in lowering a fever. However, in some instances, the best course of action might be to leave it untreated, as a fever is the body’s natural way of fighting off infection. Symptoms and causes of a fever Symptoms Depending on what’s causing your fever, signs and symptoms may include: Chills and shivering. Dehydration. General weakness. Headache . Irritability. Loss of appetite. Muscle aches. Sweating. Causes Fever or elevated body temperature could result from: A bacterial infection. A virus. A malignant tumor. Certain inflammatory conditions such as rheumatoid arthritis . Heat exhaustion. Some medications, such as antibiotics and drugs used to treat high blood pressure or seizures. Some immunizations , such as the diphtheria, tetanus, and acellular pertussis (DTaP) or pneumococcal vaccine. Treating a fever OTC (over-the-counter) medications The most common treatment for fever includes over-the-counter medications such as acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin IB, others). It’s important to follow the label instructions for these medications as recommended by your doctor. It’s especially important to avoid taking too much. High doses or long-term use of acetaminophen or ibuprofen may cause liver or kidney damage, and acute overdoses can be fatal. If your child’s fever doesn’t reduce after the first dose, don’t give more medication. Call your doctor instead. And always remember: don’t give aspirin to children . Doing so might trigger a rare, but potentially fatal, disorder known as Reye’s syndrome. Prescription medications If your doctor suspects your fever is caused by a bacterial infection like pneumonia or strep throat , he or she may prescribe an antibiotic. Even though antibiotics aren’t an effective treatment against viral infections, your doctor can prescribe any number of antiviral drugs to treat a range of viral infections. However, the best way to treat most minor illnesses associated with viruses is to get plenty of rest and to drink plenty of fluids. As noted, a number of different medications can be effective in lowering a fever. In some instances, though, the best course of action might be to leave your fever untreated. A fever is the body’s natural way of fighting off infection. More about kids and fever “Normal” body temperatures can fluctuate Body temperature fluctuates for everyone throughout the day, including children. Body temperature can also be influenced by activity level and other factors. That means it’s perfectly normal for your child’s temperature to vary from day to day. Remember, you should only start to worry about a fever is it’s 100.4˚ F or higher. Here are some helpful reminders for when you shouldn’t worry about your child’s fever: If it lasts less than five days and if your child’s behavior is relatively normal. There’s nothing to worry about as long as your child continues to be playful and is eating and drinking normally. You may note that your child does seem to be more tired than usual. A low-grade fever (less than 100˚ F) after recent immunizations. Low-grade fevers are fairly common and are considered normal if they don’t persist longer than 48 hours. Frequently asked questions (FAQs) about fever How long does a fever last? Most fevers tend to last between one to three days, although a persistent or recurrent fever may last or keep coming back for up to 14 days. If your fever lasts longer than normal, you may have a more serious infection that will require immediate medical attention. What is a low-grade fever? A low-grade fever is classified as any fever between 99.6° F to 100.3° F. Can dehydration cause fever? Yes. Extreme dehydration can lead to a dangerous spike in body temperature that may require medical attention if the fever exceeds 101 degrees F. Can a sinus infection cause fever? Yes. When you get a sinus infection either due to a virus or bacteria, your body raises its internal temperature in an effort to try and kill the infection off. A low-grade fever is a common symptom of a sinus infection. Can a urinary tract infection (UTI) cause fever? Yes. A urinary tract infection (UTI) is a common infection that happens when bacteria, often from the skin or rectum, enter the urethra, and infect the urinary tract. This infection can impact either the bladder or the kidneys, with a kidney infection being more serious. Can you have coronavirus without a fever? Yes. It is possible to have COVID-19 with minimal or even no symptoms at all. Can food poisoning cause fever? Yes. According to the CDC, common symptoms of food poisoning are: Diarrhea. Fever. Nausea. Stomach cramps. Upset stomach. Vomiting. Can you have chills without a fever? Yes. Even though they’re symptoms that often appear together, it’s possible to have chills without a fever and fever without chills.
Markdown	[Skip to content](https://www.uchealth.org/diseases-conditions/fever/#main) - [Referrals](https://www.uchealth.org/referrals/) - [Careers](https://careers.uchealth.org/) - [Bill pay](https://www.uchealth.org/billing-and-pricing/) - [Research studies](https://www.uchealth.org/research-studies/) - [Ready. Set. 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[Home](https://www.uchealth.org/) 2. [Specialties](https://www.uchealth.org/services/%20) 3. [Primary care](https://www.uchealth.org/services/primary-care/) 4. [Fever](https://www.uchealth.org/diseases-conditions/fever/) # Fever A fever is a rise in body temperature above the normal temperature of 98.6°F (although “normal” temperatures can vary slightly from person to person). Fevers usually result from an infection from either a virus or bacteria. A number of medications can be effective in lowering a fever. However, in some instances, the best course of action might be to leave it untreated, as a fever is the body’s natural way of fighting off infection. [Find treatment providers](https://www.uchealth.org/provider/?areaOfCare=Primary%20care&cityorzip=Aurora%2C%20CO%2C%20USA&distance=13000%20miles&deeplink=1) [Find treatment locations](https://www.uchealth.org/locations/?locationType=Primary%20Care&distance=13000%20miles&cityOrZip=Aurora%2C%20CO%2C%20USA&deeplink=1) ### When is a fever cause for concern? According to the CDC, a fever is defined as a person having a temperature of 100.4° F (38° C) or greater, feels warm to the touch or gives a history of feeling feverish. In adults, a fever isn’t considered serious until it reaches 103° F (39.4 C) or higher. ## What about fevers in children? For children, treatment guidelines depend on the age of your child: - If your infant is a newborn up to three months and has a temperature above 100.4 degrees, it’s time to see a doctor. - For children ages three months to three years, call your doctor if their fever is 102 degrees or higher. - For kids three years and older, a fever of 103 degrees or higher means it’s time to call your doctor. ![Man in hat holding child](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2020/05/13151607/UCHealth-Duotone-Desktop-Generic-33.webp)![](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2020/05/13151840/UCHealth-Duotone-Mobile-Generic-34.webp)![Father and young son looking out airport terminal window](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2021/08/26112354/Father-and-son-looking-out-window-at-airport-terminal-lifestyle.webp) ## Symptoms and causes of a fever #### Symptoms Depending on what’s causing your fever, signs and symptoms may include: - Chills and shivering. - Dehydration. - General weakness. - [Headache](https://www.uchealth.org/diseases-conditions/headache/). - Irritability. - Loss of appetite. - Muscle aches. - Sweating. #### Causes Fever or elevated body temperature could result from: - A bacterial infection. - A virus. - A malignant tumor. - Certain inflammatory conditions such as [rheumatoid arthritis](https://www.uchealth.org/diseases-conditions/rheumatoid-arthritis/). - Heat exhaustion. - Some medications, such as antibiotics and drugs used to treat [high blood pressure](https://www.uchealth.org/diseases-conditions/high-blood-pressure/) or seizures. - Some [immunizations](https://www.uchealth.org/treatments-procedures/immunizations-and-vaccines/), such as the diphtheria, tetanus, and acellular pertussis (DTaP) or pneumococcal vaccine. ## Treating a fever #### OTC (over-the-counter) medications The most common treatment for fever includes over-the-counter medications such as acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin IB, others). It’s important to follow the label instructions for these medications as recommended by your doctor. It’s especially important to avoid taking too much. High doses or long-term use of acetaminophen or ibuprofen may cause liver or kidney damage, and acute overdoses can be fatal. If your child’s fever doesn’t reduce after the first dose, don’t give more medication. Call your doctor instead. And always remember: don’t give aspirin to children. Doing so might trigger a rare, but potentially fatal, disorder known as Reye’s syndrome. #### Prescription medications If your doctor suspects your fever is caused by a bacterial infection like pneumonia or [strep throat](https://www.uchealth.org/diseases-conditions/sore-throat/), he or she may prescribe an antibiotic. Even though antibiotics aren’t an effective treatment against viral infections, your doctor can prescribe any number of antiviral drugs to treat a range of viral infections. However, the best way to treat most minor illnesses associated with viruses is to get plenty of rest and to drink plenty of fluids. As noted, a number of different medications can be effective in lowering a fever. In some instances, though, the best course of action might be to leave your fever untreated. A fever is the body’s natural way of fighting off infection. ![Woman on couch engaging with provider on her mobile phone](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2020/04/03122430/UCHealth-vv-banner-desktop.webp) ## More about kids and fever #### “Normal” body temperatures can fluctuate Body temperature fluctuates for everyone throughout the day, including children. Body temperature can also be influenced by activity level and other factors. That means it’s perfectly normal for your child’s temperature to vary from day to day. Remember, you should only start to worry about a fever is it’s 100.4˚ F or higher. Here are some helpful reminders for when you shouldn’t worry about your child’s fever: - If it lasts less than five days and if your child’s behavior is relatively normal. There’s nothing to worry about as long as your child continues to be playful and is eating and drinking normally. You may note that your child does seem to be more tired than usual. - A low-grade fever (less than 100˚ F) after recent immunizations. Low-grade fevers are fairly common and are considered normal if they don’t persist longer than 48 hours. ![Two schoolkids wearing masks](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2021/08/26120851/Two-schoolkids-wearing-masks-hero-mobile.webp) ## Frequently asked questions (FAQs) about fever How long does a fever last? Most fevers tend to last between one to three days, although a persistent or recurrent fever may last or keep coming back for up to 14 days. If your fever lasts longer than normal, you may have a more serious infection that will require immediate medical attention. What is a low-grade fever? A low-grade fever is classified as any fever between 99.6° F to 100.3° F. Can dehydration cause fever? Yes. Extreme dehydration can lead to a dangerous spike in body temperature that may require medical attention if the fever exceeds 101 degrees F. Can a sinus infection cause fever? Yes. When you get a [sinus infection](https://www.uchealth.org/diseases-conditions/sinus-infections/) either due to a virus or bacteria, your body raises its internal temperature in an effort to try and kill the infection off. A low-grade fever is a common symptom of a sinus infection. Can a urinary tract infection (UTI) cause fever? Yes. A [urinary tract infection (UTI)](https://www.uchealth.org/diseases-conditions/urinary-tract-infections/) is a common infection that happens when bacteria, often from the skin or rectum, enter the urethra, and infect the urinary tract. This infection can impact either the bladder or the kidneys, with a kidney infection being more serious. Can you have coronavirus without a fever? Yes. It is possible to have COVID-19 with minimal or even no symptoms at all. Can food poisoning cause fever? Yes. According to the CDC, common [symptoms of food poisoning](https://www.uchealth.org/diseases-conditions/nausea/) are: - Diarrhea. - Fever. - Nausea. - Stomach cramps. - Upset stomach. - Vomiting. Can you have chills without a fever? Yes. Even though they’re symptoms that often appear together, it’s possible to have chills without a fever and fever without chills. ## References MedlinePlus: National Library of Medicine. Fever ([https://medlineplus.gov/ency/article/003090.htm](https://medlineplus.gov/ency/article/003090.htm)) National Center for Biotechnology Information (NCBI): National Library of Medicine. Fever as an important resource for infectious diseases research ([https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4869589/](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4869589/)) [![UCHealth](https://www.uchealth.org/wp-content/themes/uchealth/img/logo-white.svg)](https://www.uchealth.org/ "UCHealth Logo") Metro Denver [720\.848.0000](tel:17208480000) Northern Colorado [970\.495.7000](tel:19704957000) Southern Colorado [719\.365.5000](tel:17193655000) Para información en español llame al [844\.945.2500](tel:18449452500) #### Patient support - [My Health Connection](https://www.uchealth.org/access-my-health-connection/) - [Schedule appointment](https://www.uchealth.org/schedule-appointment/) - [Find a doctor](https://www.uchealth.org/provider/) - [Find a location](https://www.uchealth.org/locations/) - [Find a specialty](https://www.uchealth.org/services/) - [Insurance accepted](https://www.uchealth.org/billing-and-pricing/insured-patients/) - [Billing & pricing](https://www.uchealth.org/billing-and-pricing/) - [Price transparency](https://www.uchealth.org/billing-and-pricing/shoppable-services-and-all-services-price-lists/) #### Resources - [Medical records](https://www.uchealth.org/access-my-health-connection/medical-records-uchealth/) - [Classes & events](https://events.uchealth.org/) - [Referrals](https://www.uchealth.org/referrals/) - [Research studies](https://www.uchealth.org/research-studies/) - [For employees](https://www.uchealth.org/employees/) - [For professionals](https://www.uchealth.org/professionals/) - [News & stories](https://www.uchealth.org/today/) #### UCHealth - [About UCHealth](https://www.uchealth.org/about/) - [Careers](https://careers.uchealth.org/) - [Volunteer](https://www.uchealth.org/give-to-uchealth/volunteer/) - [Give to UCHealth](https://www.uchealth.org/give-to-uchealth/) - [Innovation Center](https://www.uchealth.org/innovation/) - [Nondiscrimination](https://www.uchealth.org/about/nondiscrimination/) - [Biobank (CCPM)](https://www.uchealth.org/services/biobank/) - [Contact us](https://www.uchealth.org/contact-us/) - [Vendor data breach information](https://www.uchealth.org/notifications/patient-transport-vendor-reports-patient-data-involved-in-cyber-attack/) Download the UCHealth App [![download our app for your iPhone](https://s3.amazonaws.com/uchealth-wp-uploads/wp-content/uploads/2016/08/08063103/Download-Apple-icon.png)](https://apps.apple.com/us/app/uchealth/id1190643586) [![download our app for your Android](https://s3.amazonaws.com/uchealth-wp-uploads/wp-content/uploads/2018/06/26094750/Google-Play-Button-e1530028116191.png)](https://play.google.com/store/apps/details?id=com.uchealth.mobile&hl=en_US) - [Privacy Policy](https://www.uchealth.org/privacy-policy/) - [Disclaimer](https://www.uchealth.org/disclaimer/) - [![Google News](https://www.uchealth.org/wp-content/themes/uchealth/img/icon-google-news-white.svg)](https://news.google.com/publications/CAAqBwgKMJagmQswtqqxAw?oc=3&ceid=US:en) - [![LinkedIn](https://www.uchealth.org/wp-content/themes/uchealth/img/linkedin.png)](https://www.linkedin.com/company/uchealth) © 2026 UCHealth. 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Readable Markdown	A fever is a rise in body temperature above the normal temperature of 98.6°F (although “normal” temperatures can vary slightly from person to person). Fevers usually result from an infection from either a virus or bacteria. A number of medications can be effective in lowering a fever. However, in some instances, the best course of action might be to leave it untreated, as a fever is the body’s natural way of fighting off infection. ## Symptoms and causes of a fever #### Symptoms Depending on what’s causing your fever, signs and symptoms may include: - Chills and shivering. - Dehydration. - General weakness. - [Headache](https://www.uchealth.org/diseases-conditions/headache/). - Irritability. - Loss of appetite. - Muscle aches. - Sweating. #### Causes Fever or elevated body temperature could result from: - A bacterial infection. - A virus. - A malignant tumor. - Certain inflammatory conditions such as [rheumatoid arthritis](https://www.uchealth.org/diseases-conditions/rheumatoid-arthritis/). - Heat exhaustion. - Some medications, such as antibiotics and drugs used to treat [high blood pressure](https://www.uchealth.org/diseases-conditions/high-blood-pressure/) or seizures. - Some [immunizations](https://www.uchealth.org/treatments-procedures/immunizations-and-vaccines/), such as the diphtheria, tetanus, and acellular pertussis (DTaP) or pneumococcal vaccine. ## Treating a fever #### OTC (over-the-counter) medications The most common treatment for fever includes over-the-counter medications such as acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin IB, others). It’s important to follow the label instructions for these medications as recommended by your doctor. It’s especially important to avoid taking too much. High doses or long-term use of acetaminophen or ibuprofen may cause liver or kidney damage, and acute overdoses can be fatal. If your child’s fever doesn’t reduce after the first dose, don’t give more medication. Call your doctor instead. And always remember: don’t give aspirin to children. Doing so might trigger a rare, but potentially fatal, disorder known as Reye’s syndrome. #### Prescription medications If your doctor suspects your fever is caused by a bacterial infection like pneumonia or [strep throat](https://www.uchealth.org/diseases-conditions/sore-throat/), he or she may prescribe an antibiotic. Even though antibiotics aren’t an effective treatment against viral infections, your doctor can prescribe any number of antiviral drugs to treat a range of viral infections. However, the best way to treat most minor illnesses associated with viruses is to get plenty of rest and to drink plenty of fluids. As noted, a number of different medications can be effective in lowering a fever. In some instances, though, the best course of action might be to leave your fever untreated. A fever is the body’s natural way of fighting off infection. ![Woman on couch engaging with provider on her mobile phone](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2020/04/03122430/UCHealth-vv-banner-desktop.webp) ## More about kids and fever #### “Normal” body temperatures can fluctuate Body temperature fluctuates for everyone throughout the day, including children. Body temperature can also be influenced by activity level and other factors. That means it’s perfectly normal for your child’s temperature to vary from day to day. Remember, you should only start to worry about a fever is it’s 100.4˚ F or higher. Here are some helpful reminders for when you shouldn’t worry about your child’s fever: - If it lasts less than five days and if your child’s behavior is relatively normal. There’s nothing to worry about as long as your child continues to be playful and is eating and drinking normally. You may note that your child does seem to be more tired than usual. - A low-grade fever (less than 100˚ F) after recent immunizations. Low-grade fevers are fairly common and are considered normal if they don’t persist longer than 48 hours. ![Two schoolkids wearing masks](https://uchealth-wp-uploads.s3.amazonaws.com/wp-content/uploads/2021/08/26120851/Two-schoolkids-wearing-masks-hero-mobile.webp) ## Frequently asked questions (FAQs) about fever How long does a fever last? Most fevers tend to last between one to three days, although a persistent or recurrent fever may last or keep coming back for up to 14 days. If your fever lasts longer than normal, you may have a more serious infection that will require immediate medical attention. What is a low-grade fever? A low-grade fever is classified as any fever between 99.6° F to 100.3° F. Can dehydration cause fever? Yes. Extreme dehydration can lead to a dangerous spike in body temperature that may require medical attention if the fever exceeds 101 degrees F. Can a sinus infection cause fever? Yes. When you get a [sinus infection](https://www.uchealth.org/diseases-conditions/sinus-infections/) either due to a virus or bacteria, your body raises its internal temperature in an effort to try and kill the infection off. A low-grade fever is a common symptom of a sinus infection. Can a urinary tract infection (UTI) cause fever? Yes. A [urinary tract infection (UTI)](https://www.uchealth.org/diseases-conditions/urinary-tract-infections/) is a common infection that happens when bacteria, often from the skin or rectum, enter the urethra, and infect the urinary tract. This infection can impact either the bladder or the kidneys, with a kidney infection being more serious. Can you have coronavirus without a fever? Yes. It is possible to have COVID-19 with minimal or even no symptoms at all. Can food poisoning cause fever? Yes. According to the CDC, common [symptoms of food poisoning](https://www.uchealth.org/diseases-conditions/nausea/) are: - Diarrhea. - Fever. - Nausea. - Stomach cramps. - Upset stomach. - Vomiting. Can you have chills without a fever? Yes. Even though they’re symptoms that often appear together, it’s possible to have chills without a fever and fever without chills.
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