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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.
May 7, 2022 · 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.
Aug 21, 2024 · 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.
- Colleen Doherty, MD
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)....
Jun 20, 2024 · Fever: Symptoms, Temperatures, and What to Do. Medically Reviewed by Jabeen Begum, MD on June 20, 2024. Written by Frances Gatta, Hallie Levine, Kristin Mitchell. What Is a Fever? What Is...
Etiology |. Evaluation |. Treatment |. Geriatrics Essentials |. Key Points. Fever is an elevated body temperature that occurs when the body's thermostat (located in the hypothalamus) resets at a higher temperature, primarily in response to an infection.
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Sep 8, 2024 · Dr Sarah Jarvis MBE, FRCGP. What is a fever? Body temperature fluctuates slightly throughout the day. Normal temperature varies depending on the person, the body site where temperature is measured, and the time of day. A temperature above the normal range is known as a fever (or pyrexia). What temperature is a fever?
