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- 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.
www.verywellhealth.com/fever-8685009
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.
Nov 8, 2024 · Fever is a characteristic of many different diseases. It is most often associated with infection but is also observed in other pathologic states, such as cancer. Mild or moderate fevers cause weakness or exhaustion, whereas high fevers may cause convulsions and death.
- The Editors of Encyclopaedia Britannica
Associated symptoms. A fever is usually accompanied by sickness behavior, which consists of lethargy, depression, loss of appetite, sleepiness, hyperalgesia, dehydration, [21][22] and the inability to concentrate. Sleeping with a fever can often cause intense or confusing nightmares, commonly called "fever dreams". [23] .
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.
Sep 8, 2024 · A high temperature is called a fever (or sometimes a high fever). Fever itself is not an illness. A fever is usually a symptom of an underlying condition, usually an infection.
Jul 3, 2022 · Fever is the temporary increase in the body's temperature in response to a disease or illness. A child has a fever when the temperature is at or above one of these levels: An adult probably has a fever when the temperature is above 99°F to 99.5°F (37.2°C to 37.5°C), depending on the time of day.
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Jun 20, 2024 · The Myth of 98.6. Types of Fever Patterns. 10 min read. What Is a Fever? A fever is when your body temperature is higher than usual, often due to an infection or illness. Doctors generally...
