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1. my.clevelandclinic.org › health › symptomsFever Symptoms & Causes: What Is Considered a Fever?

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   A fever is when your body temperature is higher than your normal average temp. Most providers say a fever is either 100.0 F (37.8 C) or 100.4 F (38 C). When you have a fever, it’s your body’s normal response to fighting an infection or illness. Fevers usually aren’t a serious concern.

2. www.mayoclinic.org › diseases-conditions › feverFever - Symptoms and causes - Mayo Clinic

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   May 7, 2022 · A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable. But it usually isn't a cause for concern. For infants, however, even a low fever may mean there's a serious infection.

3. www.health.harvard.edu › diseases-and-conditionsFever in adults: when to worry - Harvard Health

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   May 22, 2023 · An infection, such as the flu, is the most common cause of fever. Other conditions can also cause a fever. These include diseases that produce inflammation , such as rheumatoid arthritis ; reactions to drugs or vaccines; and even certain types of cancers.

   • Email: hhp_info@health.harvard.edu

4. www.medicinenet.com › what_are_the_5_types_ofWhat Are the 5 Types of Fever? 6 Causes & Symptoms - MedicineNet

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   5 Types. Symptoms. 6 Causes. When to See the Doctor. Diagnosis. Treatments. Comments. More. What is a fever? The 5 types of fever are intermittent, remittent, continuous or sustained, hectic, and relapsing. A fever is a physiological problem when your body temperature is above the normal range.

5. www.verywellhealth.com › fever-8685009Fever: Temperature Range, What’s Serious, Breaking It

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   Aug 21, 2024 · Table of Contents. View All. Normal Temperature. Fever. At-Home. School or Work. When to See a Provider. Fever is an elevation in the body's temperature. It's not a disease but rather a sign or response to something occurring within the body, most commonly an infection.

   • Author: Colleen Doherty, MD

6. www.webmd.com › ss › slideshow-what-to-know-feverFever Causes, Symptoms and Treatments - WebMD

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   Jul 18, 2024 · A mild illness, like a cold or an ear infection, may cause one. Some people may have a low-grade fever after they get a vaccine. If yours doesn’t get back to normal in a few days, ask your doctor...

7. People also ask

   Is a fever a disease?

   • Fever is an elevation in the body's temperature. It's not a disease but rather a sign or response to something occurring within the body, most commonly an infection. Noninfectious conditions or scenarios like inflammatory diseases or medication reactions can also cause a fever. What Is Considered a Normal Body Temperature?

   Fever: Temperature Range, What’s Serious, Breaking It - Verywell Health

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   What does it mean if you have a fever?

   • A fever is when your body temperature is higher than your normal average temp. Most providers say a fever is either 100.0 F (37.8 C) or 100.4 F (38 C). When you have a fever, it’s your body’s normal response to fighting an infection or illness. Fevers usually aren’t a serious concern. They typically go away when the infection passes.

   Fever Symptoms & Causes: What Is Considered a Fever? - Cleveland Cli…

   my.clevelandclinic.org/health/symptoms/10880-fever

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   What causes a fever?

   • Infection is a common cause of fever, but other conditions can also bring the heat. Fever is one of the body's most effective ways of fighting infection. It is part of your body's defense against infection-causing germs. You get a fever most often when your body is trying to kill infectious invaders such as viruses or bacteria.

   Fever in adults: When to worry - Harvard Health

   www.health.harvard.edu/diseases-and-conditions/treating-fever-in-adults

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   Is a fever a sign of a serious infection?

   • A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable. But it usually isn't a cause for concern. For infants, however, even a low fever may mean there's a serious infection.

   Fever - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/fever/symptoms-causes/syc-20352759 

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   What if a bacterial infection causes a fever?

   • If your doctor suspects that a bacterial infection is causing your fever, he or she will prescribe antibiotics. Adults and children should seek immediate medical attention for any fever of 104 degrees Fahrenheit or higher or for any fever accompanied by one or more of the following: Urinary tract symptoms (pain on urination, foul-smelling urine).

   Fever - Harvard Health

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8. www.health.harvard.edu › a_to_z › fever-a-to-zFever - Harvard Health

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   Apr 3, 2023 · Symptoms. Common symptoms associated with fever include sweating, shivering, headaches, muscle aches, poor appetite, rash, restlessness and general body weakness. High fever can lead to symptoms of mental dysfunction, such as confusion, excessive sleepiness, irritability and convulsions (seizures).