What is a fever and what should I do if I get one? Get answers to common questions on the condition that impacts everyone ...

Headaches often accompany fever because immune-triggered inflammation, viral infections, and sinus pressure activate pain ...

My son just had his tonsils out. In the days after his surgery, he’s been running a low-grade fever. His doctor told him not to be concerned, so long as his temperature stays around 100 degrees and ...

Every year, tens of millions of Americans pay a visit to their primary care doctor hoping to get relief from unpleasant symptoms associated with an illness or infection. Some such symptoms include a ...