Cystic Acne of the Back. Photo © A.D.A.M.
Updated June 16, 2014.
A severe form of acne characterized by intense redness and inflammation. Skin of cystic acne sufferers contains a large number of nodules and cysts. Cystic acne is very painful and often leaves scarring. A dermatologist must treat cystic acne.
Also Known As: Nodulocystic acne, severe acne