Read about causes of fever in adults, symptoms, treatment, medications that may High-grade fevers range from about 103 F-104 F. Dangerous temperatures.
For an adult, a fever may be uncomfortable, but usually isn't a cause for a slightly elevated temperature may indicate a serious infection.
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. being left in a hot car or involved in another such potentially dangerous situation.
But how do you know when a fever is dangerous? . measured orally with a thermometer) is considered a fever in both children and adults.