• John Mouzakis, Charurut Somboonwit, Seetha Lakshmi, Mark Rumbak, John Sinnott, Basil Cherpelis, and Jonathan Keshishian.
• University of South Florida College of Medicine, FL 33601-1289, USA.
• J Drugs Dermatol. 2011 Oct 1; 10 (10): 1204-7.

AbstractLevamisole is a veterinary anti-helminthic used to treat several autoimmune conditions but also commonly utilized as an additive in cocaine distribution. Toxicity resulting in agranulocytosis and cutaneous necrosis in association with cocaine use is an infrequently described phenomenon of an emerging problem. Although levamisole is found extensively in the cocaine supply of the United States, relatively few cases of necrotic skin lesions associated with intranasal use have been reported. The skin necrosis secondary to levamisole toxicity is characterized by variable findings on biopsy, ranging from leukocytoclastic vasculitis to occlusive vasculopathy. The following case describes a 54-year-old male who developed fever, agranulocytosis, p-ANCA autoantibodies and extensive skin necrosis following heavy intranasal cocaine use. Necrosis of greater than 50% of the patient's total body surface area resulted and was followed by thorough wound debridement.

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