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1. • • 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.
     www.healthline.com/health/viral-fever

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

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

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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

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   Jan 24, 2024 · A low-grade fever is a symptom of many viral infections. But some viral infections, such as dengue fever, can cause a higher fever. Read on to learn more about viral fevers, including...

4. Videos

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

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     What are the symptoms, treatment of viral fever?

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     What is a fever? | Patient Explainers

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5. www.mayoclinic.org › diseases-conditions › feverFever - Symptoms & 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.healthline.com › health › cold-fluFever in Adults: Characteristics, Types, and When It's Serious

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   Sep 17, 2019 · 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… READ MORE

7. www.merckmanuals.com › fever-in-adultsFever in Adults - Fever in Adults - The Merck Manuals

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   An infectious cause is highly likely in adults with a fever that lasts 4 days or less (called an acute fever). An acute fever in people with cancer or a known inflammatory disorder also is most likely to have an infectious cause. In healthy people, an acute fever is unlikely to be the first sign of a chronic illness.

   • Author: Larry M. Bush

8. www.cdc.gov › flu › signs-symptomsSigns and Symptoms of Flu | Influenza (Flu) | CDC

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   Aug 26, 2024 · headaches. fatigue (tiredness) some people may have vomiting and diarrhea, though this is more common in children than adults. *It's important to note that not everyone with flu will have a fever. Keep Reading: Similarities and Differences between Flu and COVID-19. Flu Complications.

9. People also ask

   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

   See all results for this question

   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 & causes - Mayo Clinic

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

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   Can a bacterial infection cause a viral fever?

   • Both viral and bacterial infections often cause similar symptoms. To diagnose a viral fever, a doctor will likely start by ruling out a bacterial infection. They can do this by considering your symptoms and medical history, as well as taking any samples to test for bacteria.

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

   www.healthline.com/health/viral-fever

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   Can a viral infection cause a high 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. But some viral infections, such as dengue fever, can cause a higher fever. Read on to learn more about viral fevers, including common symptoms and treatment options.

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

   www.healthline.com/health/viral-fever

   See all results for this question

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

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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...