Isotretinoin Treatment of Human Immunodeficiency Virus-Associated Eosinophilic Folliculitis

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Abstract
Background: Human immunodeficiency virus-associated eosinophilic folliculitis is a pruritic eruption seen in advanced infection with human immunodeficiency virus. The associated pruritus causes considerable morbidity and is poorly responsive to conventional therapy. We studied whether isotretinoin would prove efficacious in the treatment of human immunodeficiency virus-associated eosinophilic folliculitis. Seven patients with biopsy specimen-proved human immunodeficiency virus-associated eosinophilic folliculitis were treated with a mean of 7.7 weeks of isotretinoin therapy and their responses were monitored. Observations: All patients responded with complete symptomatologic and clinical remission within 1 to 4 weeks of isotretinoin therapy. Four (57%) of seven patients remained in complete remission after just one course of isotretinoin therapy, while three (43%) of seven patients experienced up to three brief relapses, all rapidly responsive to further isotretinoin therapy. Patients remained free of disease for up to 9 months after therapy. Conclusions: Isotretinoin appears to be a promising treatment for human immunodeficiency virus-associated eosinophilic folliculitis. A double-blind, placebo-controlled trial is indicated. (Arch Dermatol. 1995;131:1047-1050)