Hidradenitis Suppurativa Support Group
Hidradenitis suppurativa (hi-drad-uh-NIE-tis sup-yoo-ruh-TIE-vuh) is rare, long-term skin condition that features small, painful lumps under the skin. The disease manifests as clusters of chronic abscesses or boils, sometimes as large as baseballs, that are extremely painful to the touch and may persist for years with occasional to frequent periods of inflammation,...

If you haven't, it's over the counter treatment for acne, 2.5% or 5% would be sufficient if you've never used it before. It WILL bleach your clothes/underwear if you put them on straight after (so many ruined panties T^T). Anyway it has helped me clear up some lesions very fast especially if I catch them fast.
Agree with Montenegrina on healthy diet for preventative measures :)