Acne is a general term used for eruptive disease of the skin.[1]
It is sometimes used as a synonym for Acne vulgaris Acne vulgaris is a common human skin disease, characterized by areas of skin with seborrhea (scaly red skin), comedones (blackheads and whiteheads), papules (pinheads), pustules (pimples), nodules (large papules) and possibly scarring. Acne affects mostly skin with the densest population of sebaceous follicles; these areas include the face, the. However, there are several different types of acne. These include Acne vulgaris Acne vulgaris is a common human skin disease, characterized by areas of skin with seborrhea (scaly red skin), comedones (blackheads and whiteheads), papules (pinheads), pustules (pimples), nodules (large papules) and possibly scarring. Acne affects mostly skin with the densest population of sebaceous follicles; these areas include the face, the, Acne conglobata, Acne miliaris necrotica, Tropical acne, Infantile acne/Neonatal acne, Excoriated acne, Acne fulminans, Drug-induced acne/Acne medicamentosa (Steroid acne), Halogen acne (Iododerma Iododermas are caused by iodides, with the most common sources of exposure being oral and intravenous contrast materials used to treat thyroid disease.:135 The most common type of eruption is an acneiform eruption with numerous acutely inflamed follicular pustules, each surrounded by a ring of hyperemia.:135, Bromoderma Bromoderma, also known as bromoderma tuberosum, is a dermatological condition characterized by an eruption of papules and pustules on the skin.:135 It is caused by hypersensitivity to bromides, such as those found in certain drugs. There is at least one reported case of bromoderma caused by excessive consumption of a soft drink containing, Chloracne Chloracne is an acne-like eruption of blackheads, cysts, and pustules associated with over-exposure to certain halogenated aromatic compounds, such as chlorinated dioxins and dibenzofurans. The lesions are most frequently found on the cheeks, behind the ears, in the armpits and groin region), Oil acne, Tar acne, Acne cosmetica Acne cosmetica is a term referring to acne caused by or made worse by cosmetics.:240 The mechanism was presumably a chemically induced plugging of the pilosebaceous orifice. This was a significant problem for dermatologists in the 1970s and 1980s, but with the improved formulations produced by cosmetic chemists over the past thirty years, this is, Occupational acne, Acne aestivalis Acne aestivalis 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.:685, Acne keloidalis nuchae, Acne mechanica, Acne with facial edema, Pomade acne, Acne necrotica, Blackhead A blackhead is a yellow or blackish bump or plug on the skin. A blackhead is a type of acne vulgaris. Contrary to the common belief that it is caused by poor hygiene, blackheads are caused by excess oils that have accumulated in the sebaceous gland's duct. The substance found in these bumps mostly consists of keratin and modified sebum (an oily, and Lupus miliaris disseminatus faciei.
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