Acne is a disorder resulting from the action of hormones and other substances on the skin's oil glands (sebaceous glands) and hair follicles.
Acne Aestivalis
Acne aestivalis (also known as Mallorca acne) is a special form of polymorphous light eruption. It is a monomorphous eruption consisting of multiple, uniform, red, papular lesions, reported to occur after sun exposure.
Acne Conglobata
Acne conglobata is a highly inflammatory disease presenting with comedones, nodules, abscesses, and draining sinus tracts.
Acne Cosmetica
Acne cosmetica is a condition of that causes acne to form due to the use of cosmetics hence the name acne cosmetica.
Acne Fulminans
Acne fulminans is a rare and serious condition characterized by the sudden onset of nodular and ulcerative acne lesions associated with systemic symptoms.
Acne Keloidalis Nuchae
Acne keloidalis nuchae (also known as "Acne keloidalis", "Dermatitis papillaris capillitii", "Folliculitis keloidalis", "Folliculitis keloidis nuchae", and "Nuchal keloid acne") is a destructive scarring folliculitis that occurs almost exclusively on the occipital scalp of people of African descent, primarily men.
Acne Mechanica
Acne mechanica is an acneiform eruption that has been observed after repetitive physical trauma to the skin such as rubbing, occurring from clothing (belts and straps) or sports equipment (football helmets and shoulder pads).
Acne Medicamentosa
Acne medicamentosa (commonly referred to as drug-induced acne) is acne that is caused or aggravated by medication.
Acne Necrotica Miliaris
Acne necrotica miliaris is a condition that produces pimples mostly in the scalp along the hairline and especially the back of the head and neck. It can also occur on the face, nose, and chest, but mostly it affects the scalp.
Acne Vulgaris
Acne vulgaris, also known as acne, is a long-term skin disease that occurs when hair follicles are clogged with dead skin cells and oil from the skin.
Acne with facial edema