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

Small red painful bumps over the scalp at the base of the hair are not uncommon. This occurs in children and adults as well. It commonly occurs due to inflammation of hair follicles, due to infection.

Guess what's lurking in the gym? MRSA, athlete's foot, jock itch, boils, impetigo, herpes simplex and ringworm, among other atrocities. Time to... As a reasonably frequent gym-goer, I feel like I have ...