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Fever is the body's normal response to infection and other conditions, both minor and serious. Most fevers help the body fight infection.
The average normal body temperature is about 37°C (98.6°F). It usually rises during the day from a low of 36.5°C (97.7°F) in the morning to a high of 37.5°C (99.5°F) in the late afternoon. Mild elevations—[37.7°C (99.8°F)]— can be caused by too much clothing, a hot bath, or hot weather.
Fever in a child is present when a child's temperature is 38°C (100.4°F) or higher measured rectally.
Current as of: April 30, 2024
Author: Ignite Healthwise, LLC Staff
Clinical Review BoardAll Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
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