Pustular dermatosis of the scalp due to topical minoxidil 5%

    January 2018
    O. El Anzi, Badreddine Hassam
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    TLDR A woman had an unusual allergic reaction to a hair loss treatment, which cleared up after stopping the treatment and using a different medication.
    The document from 2017 reported a case of a 30-year-old woman who developed allergic contact dermatitis (ACD) after using a 5% minoxidil solution for androgenetic alopecia treatment. The patient presented with pruriginous and pustular lesions over an erythematous area on the scalp and forehead after one week of treatment. The minoxidil solution was stopped and topical corticosteroid therapy was started, leading to a complete clearance of the lesions after 5 days. The document concluded that this case represents an uncommon reaction to minoxidil, a drug frequently used in dermatology.
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