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

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   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: A reaction to certain medications. Vaccinations.

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. activebeat.com › your-health › fever-in-adults-whenFever in Adults: When to Worry, Symptoms, and Causes - ActiveBeat

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   Jun 1, 2021 · It turns out our brain is what controls our body temperature. According to Harvard Health, “A part of the brain called the hypothalamus acts as the body’s thermostat. When all is well in the body, the hypothalamus is set at the normal body temperature. Fever develops when the hypothalamus is set to a higher-than-normal temperature.”

4. www.webmd.com › covid › what-is-a-feverFever Symptoms & Causes: What Is Considered a Fever? - WebMD

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   Jun 20, 2024 · If you have a fever that lasts for 4 days or less, it's likely caused by an infection. If your fever sticks around for a while or keeps coming back, it's more likely to be caused by something else ...

5. www.healthlinkbc.ca › health-topics › fever-orFever or Chills, Age 12 and Older - HealthLink BC

   www.healthlinkbc.ca › health-topics › fever-or

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   A fever is the body's normal and healthy reaction to infection and other illnesses, both minor and serious. It helps the body fight infection. A fever is a symptom, not a disease. In most cases, having a fever means that you have a minor illness. When you have a fever, your other symptoms will help you know how serious your illness is.

6. www.healthline.com › health › cold-fluFever in Adults: Characteristics, Types, and When It's Serious

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   Sep 17, 2019 · Common causes of a fever in adults are: viral infection (like the flu or a cold) bacterial infection. fungal infection. food poisoning. heat exhaustion. serious sunburn. inflammation (from ...

7. People also ask

   Why is a fever a symptom of an illness?

   • A fever is a symptom of numerous illnesses that are characterized by an elevated body temperature. The increased body temperature is one of the ways our body’s immune system activates to fight the illness. Perhaps by having a better understanding of fevers we can learn how to appreciate our body’s immune system.

   Fever in Adults: When to Worry, Symptoms, and Causes

   activebeat.com/your-health/fever-in-adults-when-to-worry-symptoms-and-causes/

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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 are the symptoms of a fever?

   • You have a fever and now the symptoms are in full swing. According to Health Grades, “body aches are dull pain or discomfort in part or all of the body.” They can range from mild to feeling like you were hit by a bus. For many people, the aching doesn’t stop in their body, it continues to the head. A headache is another common symptom of a fever.

   Fever in Adults: When to Worry, Symptoms, and Causes

   activebeat.com/your-health/fever-in-adults-when-to-worry-symptoms-and-causes/

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8. www.saskhealthauthority.ca › your-healthFever or Chills, Age 11 and Younger | SaskHealthAuthority

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   Fever or Chills, Age 11 and Younger. A fever is the body's normal and healthy reaction to infection and other illnesses, both minor and serious. Fevers help the body fight infection. A fever is a symptom, not a disease. In most cases, a fever means that your child has a minor illness. Often you must look at your child's other symptoms to find ...