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  1. Fever - Symptoms & causes - Mayo Clinic

    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 …

  2. How to Tell If You Have a Fever: Symptoms, Next Steps, and More

    Apr 21, 2020 · A fever is the body's way of battling an illness. Here's how to tell if you have a fever, plus what you should do and when you should seek help.

  3. Fever Symptoms & Causes: What Is Considered a Fever?

    A fever is when your body temperature rises higher than normal. Learn more about fevers including what providers consider a real fever.

  4. Fever: Causes, Symptoms, and Treatment - WebMD

    Nov 15, 2023 · A fever can be a sign of several health conditions, which may or may not need medical treatment. The most common causes are infections such as colds and stomach bugs (gastroenteritis).

  5. Fever: Symptoms, treatments, types, and causes - Medical News Today

    May 30, 2025 · A person has a fever when their temperature is higher than 100°F (38°C). Learn about fever types, symptoms, causes, and treatments in this article.

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

    Sep 3, 2025 · 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 …

  7. Understanding Fever: Causes, Symptoms, Treatment, and When to …

    If the fever is high or accompanied by other concerning symptoms, medical attention may be necessary. The doctor can diagnose the underlying illness and prescribe appropriate treatment, such as …

  8. Signs and symptoms of a cold, the flu, COVID or RSV this winter

    4 days ago · COVID-19, the flu, and RSV are currently circulating and share many similar symptoms. Symptoms for all three illnesses can include cough, fever, fatigue, and a runny or stuffy nose. …

  9. Fever Symptoms, Causes, Temperature, Types & Home Remedies

    Get the facts on severe fever treatment (in children and adults) and symptoms. Learn about causes of fever, home remedies to bring down a high fever, ways to prevent fever, and find out when to call a …

  10. Fever: Symptoms & Causes | NewYork-Presbyterian

    Fever symptoms vary depending on the type of fever, the temperature, and the cause. A fever in adults can produce different symptoms than children may have. Beyond an elevated body temperature, …