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    Acne - close-up of cysts on the back
   
Acne - close-up of cysts on the back

Cystic acne, or nodulocystic acne, is the most severe form of acne. Both pustules and hard red bumps are present in the skin. This form of acne is more difficult to treat and often requires taking an oral vitamin A derivative.


Review Date: 10/20/2022
Reviewed By: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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