30 citations
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April 2002 in “Archives of Dermatology” Finasteride can cause one-sided breast enlargement, which disappears after stopping the drug.
29 citations
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January 2009 in “International Journal of Trichology” This report describes two cases of gynecomastia linked to the use of Finasteride (Propecia®) for treating androgenetic alopecia, highlighting a rare but important side effect.
3 citations
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September 2019 in “American Journal of Men's Health” This study suggests that continuing finasteride therapy after mastectomy does not significantly affect gynecomastia recurrence in men taking finasteride for alopecia.
December 2024 in “Australasian Journal of Dermatology” In this report, a rare case of gynecomastia was observed in a 76-year-old man using 0.25% topical finasteride for hair loss, with breast tenderness resolving after stopping treatment but persistent enlargement.
January 2026 in “Archive ouverte UNIGE (University of Geneva)” This narrative review examined skin-sparing techniques in gynecomastia surgery and found satisfactory thoracic remodeling with acceptable morbidity and reduced scarring, but acknowledged methodological differences that limit decisive conclusions.