Chloracne of the Cheeks Courtesy Michael O. Murphy, MD

Chloracne represents the development of multiple comedones, usually of the face, caused by exposure to halogenated aromatic compounds.


Multiple comedones are present on the malar eminences and retroauricular areas. In severe cases, comedones may occur on the trunk and extremities. Gray dyschromia, hypertrichosis and folliculitis may occur as well. Cutaneous changes occur 2-4 weeks after exposure and may regress substantially over 6 months to 3 years.


Of course, exposure to the toxin must be stopped. All forms of acne therapy may be used. Light cautery after topical anesthesia has been employed [BJD 1993;128;313]. Slow resolution may occur over time.


JAAD 2016;74;143


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