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  1. May 22, 2023 · When to worry about fever. If you have a fever over 104°F (40°C), you should call your doctor. Seek medical help right away if you have a fever along with any of these symptoms: seizure; loss of consciousness; confusion; stiff neck; trouble breathing; severe pain anywhere in the body; swelling or inflammation of any part of the body

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  2. Aug 4, 2022 · Low-grade fever: temperatures between 99°F (37.2°C) and 100.4°F (38°C) Fever (pyrexia): temperatures between 100.4°F (38°C) and 105.8°F (41°C) Hyperpyrexia: temperatures between 105.8°F (41°C) and 109.4°F (43°C) Temperatures above 109.4°F (43°C) are usually fatal; Symptoms of Fever. Fevers can cause a wide variety symptoms.

  3. Nov 15, 2023 · When Is Fever Dangerous? Fever Symptoms. What Causes Fever? 6 min read. What Is a Fever? A fever is a sure sign your body is fighting off some type of infection. (Photo credit: E+/Getty...

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  5. May 7, 2022 · 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. Fevers generally go away within a few days. A number of over-the-counter medications lower a fever.

  6. Oct 7, 2016 · Defined as a temporary increase in body temperature, a fever is just a symptom, not an illness. In fact, sometimes a fever can be a good thing: It’s often a sign that your body is fighting an infection or illness. But how do you know when a fever is dangerous? When is it time to see a doctor for a high temperature? What Is a Fever?

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  7. May 31, 2023 · Overview. What is a fever? A fever is when your body temperature rises higher than normal. A fever itself isn’t an illness. Rather, it’s a symptom of a wide range of health conditions. When your body temperature rises a few degrees above normal, it can be a sign that your immune system has been activated, often to fight an infection.

  8. Feb 26, 2022 · A fever is a common sign of illness, but that's not necessarily a bad thing. In fact, fevers seem to play a key role in fighting infections. So should you treat a fever or let the fever run its course? Here's help making the call.

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