A board-certified immunologist clears the air—turns out, there's only one time when allergies can lead to a fever.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers predict that a dangerous fungus will spread in the western U.S., due to lack of precipitation brought on by climate ...

Most people think that fever is a sign of sickness, however, fever is more of a symptom, rather than a disease. A fever is a common sign that your body is fighting an infection, and is proof that your ...

Whether stemming from a wound, a toothache or an infection like the flu, nearly everyone has experienced the discomfort of having a fever. While fevers can be inconvenient and are sometimes a sign of ...

In order to function properly, humans need to drink water. In fact, over 50% of the human body is composed of water. As temperatures rise, it is important to stay hydrated. Drinking water can cool you ...

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 ...

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 ...