Valley fever infections are on the rise across California, public health officials say. Dry, hot weather across the state — combined with heavy winter rains — make the perfect recipe for an increasing ...

The primary culprit behind fever blisters is the herpes simplex virus, specifically HSV-1. This highly contagious virus is easily transmitted through close personal contact, such as kissing or sharing ...

Texas winters herald the bane of many allergy sufferers: cedar fever. From December to February, acres of mountain cedar — also known as Ashe juniper — in the Hill Country and parts of Dallas-Fort ...

Feeling warmer than usual? Learn how to tell if you have a fever, what a fever might mean for you and your baby, and how to ...

This could be the reason why the tot’s blood was checked for malaria. Cold weather does not directly cause fever, but may ...

Rheumatic fever (RF) is a fairly rare inflammatory condition in developed countries that can develop as a complication of untreated strep throat caused by group A streptococcal infections. It ...