We all get random body blemishes from time to time. They usually go away quickly as they came—with minimal discomfort. But if you’re prone to Hidradenitis Suppurativa or as its commonly called, HS, then you know that your body bumps are anything but run-of-the-mill. Here, we give the scoop on exactly what makes HS unlike any other skin condition. Special thanks to Chris Sayed, M.D., associate professor of dermatology at the University of North Carolina at Chapel Hill, for sharing his insight and expertise for this video.