Hidradenitis suppurativa, also known as acne inversa, is a chronic skin disease. "You may get cysts or boils, usually in folded areas of the skin, like the armpits, groin area, or under the ...

(Starting with: How exactly do I pronounce this? Quickly followed by: Is hidradenitis suppurativa contagious?) Also referred to as acne inversa or simply “HS” (now that’s a little easier ...