30 citations,
March 2001 in “Archives of Dermatology” Finasteride can cause one-sided breast enlargement, which disappears after stopping the drug.
26 citations,
April 2002 in “Archives of Dermatology” 14 citations,
August 1997 in “The Journal of Urology” Finasteride can cause enlarged breasts.
29 citations,
January 2009 in “International Journal of Trichology” Finasteride for hair loss may cause gynecomastia; doctors should inform patients.
8 citations,
January 2009 in “Indian Journal of Dermatology, Venereology and Leprology” Finasteride can cause rare breast growth side effect, with varying recovery after stopping.