Mindblown: a blog about philosophy.
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Steroid acne
Acne caused by systemic or topical use of corticosteroid drugs.
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Acne pustulosa
Acne with pustule formation and subsequent deep scars.
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Petroleum acne
Acne that may occur in those who work with petroleum and oils.
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Acne papulosa
Acne characterized by formation of papules with very little inflammation.
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Acne neonatorum
Newborn, or neonatal acne. Acne in the newborn is a common occurrence, appearing about the second to fourth week of life. Comedones, inflamed papules, and pustules may be seen (the latter yield staphylococcal species when cultured). The rash resolves spontaneously in most cases by the third or fourth month of life; usually no treatment is…
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Acne keratosa
Acne vulgaris in which suppurating nodules crust over to form horny plugs. These occur at the comers of the mouth.
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Keloid acne
Infection about the hair follicles at the back of the neck, causing scars and thickening of the skin.
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Acne indurata
Acne vulgaris with chronic, discolored, indurated surfaces.
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Halogen acne
Acne due to exposure to halogens such as bromine, chlorine, or iodine.
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Acne fulminans
A rare type of acne in teenage boys, marked by inflamed, tender, ulcerative, and crusting lesions of the upper trunk and face. It has a sudden onset and is accompanied by fever, leukocytosis, and an elevated sedimentation rate. About half of the cases have inflammation of several joints.
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