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Fever 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 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. Children usually have a higher fever than adults; their immune system is less mature ...
Fever is an elevated body temperature that occurs when the body's thermostat resets at a higher temperature, primarily in response to an infection. Learn about the causes, pathophysiology, evaluation, treatment and complications of fever from this comprehensive guide by experts in infectious diseases.
- Larry M. Bush
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May 7, 2022 · A fever is a temporary rise in body temperature caused by an infection or other factors. Learn how to measure, treat and prevent fever, and when to see a doctor for your child or yourself. Find out the symptoms, causes and complications of fever, such as seizures, dehydration and rashes.
Fever is a body temperature that’s higher than normal and can be a symptom of various conditions, such as infections, immunizations, or inflammation. Learn how to recognize, treat, and prevent fever in children and adults, and when to see a doctor.
A fever is when your body temperature is higher than normal, usually 100.4 F (38 C). Learn about the possible causes, symptoms, treatment and prevention of fever, and when to call the doctor. Find out the difference between low-grade fever and high-grade fever, and how to measure your body temperature.
Feb 26, 2022 · Learn how to treat a fever depending on your age and the cause of the fever. Find out when to call the doctor and what medications to use for fever relief.