What first-aid steps to take if you or someone else has a fever. Adults with fevers of 103 F (39.4 C) or higher will generally look and act sick. The main goal of treatment is to relieve discomfort 105, 40.6. 104, 40.0. 103, 39.4.
Having a fever is a sign that something out of the ordinary is going on in your body. For an adult, a fever may be uncomfortable, but usually isn't.
A fever is a body temperature of 100.4 F or greater. Read about causes of fever in adults, symptoms, treatment, medications that may cause fevers, and different.