Tamoxifen is unproved for gynaecomastia.
Doughty
Julie C
JC
Wilson
Christopher R
CR
D000293:Adolescent; D004965:Estrogen Antagonists / Q000627:therapeutic use*; D006177:Gynecomastia / Q000188:drug therapy*; D006801:Humans; D008297:Male; D013629:Tamoxifen / Q000627:therapeutic use*
D004965:Estrogen Antagonists; D013629:Tamoxifen