cyproterone acetate

n a steroid drug that inhibits the effects of male sex hormones ( see ANTI-ANDROGEN ) and is used to treat various sexual disorders and advanced prostate cancer in men. It is administered by mouth and common side-effects include tiredness, loss of strength, inhibition of sperm formation, infertility, and breast enlargement (gynaecomastia). Trade names: Androcur, Cyprostat.