Gender Differences in Adverse Effects and Dosing Practices of Low-Dose Oral Minoxidil for Androgenetic Alopecia: A Retrospective Analysis of 310 Patients

    November 2024 in “ Skin Appendage Disorders
    Michael Ong, Huongly Do, Benedict Ho, Shari R. Lipner
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    Studysummary In this study of patients with androgenetic alopecia taking off-label low-dose oral minoxidil, adverse events like dizziness/lightheadedness, hypertrichosis, and extremity edema were observed in 14.9% of patients, with females experiencing more adverse events; higher doses increased dizziness risk, leading researchers to recommend cautious dosing approaches.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
    A retrospective analysis of 310 patients with androgenetic alopecia (AGA) using low-dose oral minoxidil (LDOM) revealed that 14.9% experienced adverse events (AEs), such as dizziness/lightheadedness, hypertrichosis, and extremity edema. Females were more likely to experience AEs, although gender differences were not significant after subgroup analysis. Higher doses increased the risk of dizziness/lightheadedness. The study suggests that patients are often started on inappropriately high doses, leading to regimen changes. It recommends starting with lower doses and gradually increasing as tolerated, particularly counseling female patients about their higher risk of AEs.
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