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Is it normal to have a fever when I'm sick?
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It is common for people to experience a fever when they are sick. Fever can be caused by the body's natural response to infection, and is often used as an indicator of illness severity. However, it is important to consult your doctor if you have a fever that lasts more than three days or is accompanied by other symptoms such as chills, fatigue, sore throat, or coughing.