What does it feel like whe hs (hydradenitis superitiva) bursts on the inside? how can a person tell?

A lot of pain,swelling and discomfort with redness.

Explanation: Hidradenitis suppurativa (HS) is a painful, long-term skin condition that causes abscesses and scarring on the skin. The exact cause of hidradenitis suppurativa is unknown, but it occurs near hair follicles where there are sweat glands, usually around the groin, buttocks, breasts and armpits.