learn Cyproterone
a synthetic anti-androgen and weak progestogen that inhibits DHT binding to androgen receptor
- Is cyproterone only for women, or can men use it too? Cyproterone acetate is not a women-only drug — published reports describe use in men for prostate cancer, paraphilic disorders and gender-affirming therapy — but it is not FDA-approved for any indication, and European regulators restricted higher doses over a dose-related meningioma risk.
- Is cyproterone safe to use during gender transition? Regulators and a large French cohort study link higher-dose, long-term cyproterone acetate to meningioma, and its label also lists liver-enzyme and mood effects — so it is not a drug anyone should call safe in the abstract, and its use in gender-affirming care is a prescriber's decision with monitoring.
- How long does it take for cyproterone to work on hair loss? There is no reliable published figure for how fast cyproterone works on hair loss: the hair cycle means nothing shows for months, the one randomised trial assessed women at twelve months, and community reports range from about six months to two years — with some people seeing no change at all.
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