URL of this page: https://www.nlm.nih.gov/medlineplus/hidradenitissuppurativa.html

Hidradenitis Suppurativa

Also called: Acne inversa, Suppurative hidradenitis 


Hidradenitis suppurativa (HS) is a chronic skin disease. It can occur in one or multiple areas of your body. HS usually develops in your armpits, groin, and anal area. It causes long-term skin inflammation and can be painful.

Symptoms include

  • Blackheads and red, tender bumps, called abscesses. The abscesses get bigger, break open, and leak pus
  • Tunnels that form under the skin between abscesses
  • Scarring

No one knows what causes HS. It is more common in women, African Americans, and people who have had acne. It usually starts after the teenage years. Treatments include antibiotics, anti-inflammatory medicines, and sometimes surgery. Losing weight or wearing looser clothing may help some patients avoid skin irritation.

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