PMID: 29782299May 22, 2018Paper

Drug-induced Subacute Cutaneous Lupus Erythematosus Caused by a Topical Beta Blocker - Timolol

Acta dermatovenerologica Croatica : ADC
Monika Bilewicz-StebelAnna Stańkowska

Abstract

Drug-induced lupus erythematosus (DI-LE) is an autoimmune condition secondary to a recent pharmacological intervention. There are no established specific diagnostic criteria for DI-LE, and the disease is recognized based on the medical history of the patient. Typically, the onset is closely related to a recent drug exposure, and the disease terminates after discontinuation of the inducing factor. The most frequent form of DI-LE is drug-induced subacute cutaneous lupus erythematosus (DI-SCLE). There has been an increasing number of drugs which are suspected to provoke SCLE lesions. Previously, systemic beta-blockers (antiarrhythmics and antihypertensives) were shown to be inducing factors of SCLE, however data regarding its topical usage are lacking in the literature. We present the case of a 78-year-old woman who developed annular polycyclic erythema in sun-exposed areas of the skin, four weeks after an initiation of topical timolol treatment of glaucoma. A resolution of cutaneous manifestations within only a few weeks after a cessation of the agent confirmed a clinical suspicion of drug-induced SCLE.

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