acne conglobata

In acne conglobata, deep pimples develop on the face, chest, back, upper arms, and thighs.

Acne conglobata may last well into adulthood.

Acne conglobata is a rare but serious form of acne that occurs mainly in young men.

Acne conglobata is one of the most severe forms of acne.

Acne conglobata (cystic acne).

Acne conglobata is a highly inflammatory disease presenting with comedones, nodules, abscesses, and draining sinus tracts.

When it occurs with acne conglobata, hidradenitis suppurativa, and pilonidal cysts, the syndrome is referred to as the follicular occlusion triad or tetrad.

Rosacea conglobata is a severe rosacea that shows a reaction which mimics acne conglobata with hemorrhagic nodular abscesses and indurated plaques.

In 1956 Pillsbury postulated follicular occlusion as the cause of acne inversa, which they grouped together with acne conglobata and perifolliculitis capitis abscendens et suffodiens (dissecting cellulitis of the scalp) as the "acne triad".

Oral dapsone was one of the first medications used to treat moderate to severe acne vulgaris, and is still occasionally prescribed for the treatment of severe and abnormal acne (e.g. acne conglobata and acne fulminans).