First Report of Erythema Multiforme Minor Caused by Raloxifene Hydrochloride

Raloxifene is a drug used in postmenopausal women with osteoporosis. Although hot flashes are known side effects of raloxifene, to the best of our knowledge, erythema multiforme (EM) minor has not been previously reported. Herein, we report about a 74-year-old woman who developed EM minor after the drug alfacalcidol was changed to raloxifene to treat osteoporosis. Skin biopsy revealed a suspicious eczematous drug reaction. The drug-induced lymphocyte stimulation test showed a positive result. The stimulation index was 2.2, and there were no other suspected drugs. Based on these results, we diagnosed the condition as EM minor caused by raloxifene. The patient’s symptoms disappeared after the use of antihistamine drugs and topical steroids. In conclusion, raloxifene can cause EM minor in rare cases.

Abstract licence: CC BY-NC

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