A fever is usually caused by infections from viruses (such as a cold or the flu) or bacteria (such as strep throat or some ear infections). The fever itself is not the disease, only a sign that the body’s defenses are trying to fight an infection.
To check a child for fever, the AAP explains how to check a child for fever. Learn which types of thermometers are most accurate, how to properly use them, and when to call the pediatrician.
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