Hidradenitis suppurative (hi-drah-duh-NYE-tuhs suh-pyur-uh-TIE-vuh) on the breasts occurs when hair follicles fill with sweat, keratin, and bacteria, causing them to become blocked and inflamed.

Cellulitis and skin abscesses are both due to bacterial infections. They may develop separately or together, and they need different treatments. Your skin is home to about 1,000 different species of ...