Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...

A boil, also known as a furuncle, is a swollen, pus-filled growth on the skin that occurs when bacteria—even those normally found on your body—infect a group of hair follicles. Boils commonly develop ...

Reaching for that stick of deodorant might be second nature in your morning routine, but dermatologists are raising red flags about certain ingredients that could be causing more harm than good.