Folliculitis is a common skin condition that occurs when hair follicles become inflamed due to infection, irritation, or blockage. The most frequent cause is a bacterial infection, though fungi and ...

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.

Hidradenitis suppurativa (HS) is a chronic inflammatory condition affecting hair follicles. Alopecia areata is a type of autoimmune disorder where the immune system attacks otherwise healthy hair ...

Medically reviewed by Marla Anderson, MDKey TakeawaysA boil on the breast can form when bacteria infect a hair follicle.Do ...