Staphylococcus bacteria live on skin and can cause a staph infection if they enter the bloodstream. Staph infections can involve a range of symptoms, like vomiting, rashes or inflamed skin, and fever.

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

A News 9 viewer has a spider bite, and says it is red, painful, and starting to drain. Dr. Lacy Anderson has the warning signs that it could be something more severe. A News 9 viewer has a spider bite ...

Hidradenitis suppurativa is not contagious. It cannot be spread from person to person or from item to person. It is a ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Add Yahoo as a preferred source to see more of our stories on Google. “Sometimes facial swelling will be more noticeable first thing in the morning due to lying flat and gravity allowing fluid to ...

Testosterone can potentiate S. aureus quorum sensing independent of auto-inducing peptides, increasing toxin release and host-cell damage, whereas progesterone and estrogen do not show the same effect ...

After enduring a two-year health ordeal marked by facial disfigurement, former “The Real Housewives of Beverly Hills” cast member Brandi Glanville has discovered the culprit, ruptured breast implants ...

If you’ve had a sore throat from time to time or blisters around your mouth or nose, chances are you’ve had a group A streptococcal (GAS) infection. Group A streptococcus is the bacteria that causes ...