"Fever in adults can be caused by various factors ... confusion, severe headache or rash. If the fever is present in individuals with compromised immune systems, chronic medical conditions ...

Among these, adult-onset Still's disease is the most frequent one. Common signs and symptoms are fever, arthralgias, myalgias, arthritis, rash, sore throat, lymphadenopathy, splenomegaly ...

Children tend to get it more than adults because their ... If your baby has a fever over 100.4°F (38°C) or other symptoms, call their pediatrician. Heat rash, including prickly heat, often ...

On the other hand, any drug used by the patient may be a cause of the fever. Rash and eosinophilia may suggest drug fever in some patients. After discontinuation, the fever will likely resolve ...