Fever - Wikipedia
WebFever or pyrexia in humans is a body temperature above the normal range due to an increase in the body's temperature set point in the hypothalamus. There is no single agreed-upon upper limit for normal temperature: sources use values ranging between 37.2 and 38.3 °C (99.0 and 100.9 °F) in humans.
Fever - Simple English Wikipedia, the free encyclopedia
WebFever is a defensive measure of the body against the germs: the life cycles of the germs are disrupted when the body temperature rises. About 38 °C (100.4 F) degrees is called a low-grade fever, and above 39.5 °C (103 F) degrees is a high-grade fever.
Fever - Infectious Diseases - MSD Manual Professional Edition
WebFever 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. Elevated body temperature that is not caused by a resetting of the temperature set point is called hyperthermia. Normal body temperature varies by.
Fever - Symptoms & causes - Mayo Clinic
WebMay 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 …
Human body temperature - Wikipedia
WebAn early morning temperature higher than 37.3 °C (99.1 °F) or a late afternoon temperature higher than 37.7 °C (99.9 °F) is normally considered a fever, assuming that the temperature is elevated due to a change in the hypothalamus's setpoint.
Fever Symptoms & Causes: What Is Considered a Fever? - Cleveland Clinic
WebFever. 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.
Fever: Causes, Treatment, and Prevention - Healthline
WebJul 23, 2019 · Fever is also known as hyperthermia, pyrexia, or elevated temperature. It describes a body temperature that’s higher than normal. Fever can affect children and adults.
Fever | Definition, Characteristics, & Causes | Britannica
WebMay 10, 2024 · fever, abnormally high body temperature. Fever is a characteristic of many different diseases. For example, although most often associated with infection, fever is also observed in other pathologic states, such as cancer, coronary artery occlusion, and certain disorders of the blood.
Fever treatment: Quick guide to treating a fever - Mayo Clinic
WebFeb 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.
Fever | Johns Hopkins Medicine
WebWhat is a fever? A fever is a body temperature that is higher than normal. It usually means there is an abnormal process occurring in the body. Exercise, hot weather, and common childhood immunizations can also make body temperature rise. What causes a fever? A fever is not an illness by itself.
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