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1. • Not 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.
     www.verywellhealth.com/fever-8685009

     Fever: Temperature Range, What’s Serious, Breaking It

2. my.clevelandclinic.org › health › diseasesViral Infection: Causes, Symptoms, Tests & Treatment

   my.clevelandclinic.org › health › diseases

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   Nov 23, 2022 · Symptoms of a viral infection depend on where you’re infected, but some common ones include: Flu-like symptoms: fever, head and body aches, fatigue. Upper respiratory symptoms: sore throat, cough, sneezing.

3. www.healthline.com › health › viral-feverViral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

   www.healthline.com › health › viral-fever

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   Jan 24, 2024 · A viral fever is a high body temperature that accompanies many viral infections. We’ll go over common symptoms of viral fevers and what causes them.

4. Videos

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     Fever in Adults: The Causes, Diagnosis, Prevention, and Treatment | Merck Manual Consumer Version

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     What is Fever? (Complete Animated Explanation)

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     Dengue Fever | Pathophysiology, Symptoms, Diagnosis & Treatment

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

   www.mayoclinic.org › diseases-conditions › fever

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   May 7, 2022 · Fevers below 104 F (40 C) associated with common viral infections, such as the flu, may help the immune system fight disease and are generally not harmful. Fever or elevated body temperature might be caused by: A viral infection; A bacterial infection; Heat exhaustion

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

   www.verywellhealth.com › fever-8685009

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   Aug 21, 2024 · 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. Noninfectious conditions or scenarios like inflammatory diseases or medication reactions can also cause a fever.

   • Author: Colleen Doherty, MD

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

   my.clevelandclinic.org › health › symptoms

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   What are the most common causes of fever? A fever has many causes and can be a symptom of almost any illness. Common conditions that cause fever include: Bacterial infections. Viral infections such as influenza or COVID-19. Gastrointestinal (GI) infections. Urinary tract infections. Skin infections. You may also develop a fever due to:

8. www.webmd.com › first-aid › fevers-causes-symptomsFever: Causes, Symptoms, and Treatment - WebMD

   www.webmd.com › first-aid › fevers-causes-symptoms

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   Nov 15, 2023 · Adults. 100.4 F (oral temperature) A low-grade fever is when you have a temperature that is slightly higher than normal, usually around 99.5 to 100.3 F. A low-grade fever signals that something...

9. People also ask

   Is fever a symptom of a viral infection?

   • No formal or standard definition exists for fever, as it can vary depending on age, time of day, and where it's measured on the body (e.g., mouth, rectal, ear, underarm, or forehead). Most cases of fever are due to viral infections.

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

   www.verywellhealth.com/fever-8685009

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   What is a viral fever?

   • A viral fever is any fever that’s caused by an underlying viral illness. Normal body temperature is 98.6°F (37°C). Anything a degree above this is considered a fever. A variety of viral infections can affect humans, from the common cold to the flu. A low-grade fever is a symptom of many viral infections.

   Viral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

   www.healthline.com/health/viral-fever

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   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

   www.verywellhealth.com/fever-8685009

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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 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…

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10. patient.info › signs-symptoms › feverFever (High Temperature): Causes, Symptoms, and Treatment

    patient.info › signs-symptoms › fever

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    Sep 8, 2024 · High temperature (fever) is caused by the release of certain chemicals by the immune system, usually as a result of infection or inflammation. Most fevers are caused by infections or other illnesses.