Cuidado de Heridas Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn What HS can feel like: A deep, painful lump can develop in your armpit for many reasons, including a little-known condition called hidradenitis suppurativa. Learn more at: https://www.aad.org/public/diseases/a-z/hidradenitis-suppurativa-overview Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Products You May Like