Key takeaways Hidradenitis suppurativa (HS) is an inflammatory skin condition that causes painful lumps under the skin that may burst, scar, and form tunnels. Early HS is often misdiagnosed as acne ...
If you're experiencing painful bumps or lesions forming under the skin, but it feels or looks different from a typical breakout, it could be a sign of hidradenitis suppurativa. This chronic ...