Medically reviewed by Marla Anderson, MD Key Takeaways A persistent low-grade fever is not a sign of cancer by itself.

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 ...

DEAR DR. ROACH: My question relates to a situation where a person gets a vaccine for, say, flu, COVID or shingles and is later exposed to the virus. Is it possible that as the vaccine is helping your ...

Influenza activity is currently high in California, with a significant number of flu-related hospitalizations and deaths reported this season. Fever is the body's natural response to fight off ...