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Medicines finasterideQuestion & answer

finasteride · Medicine question

Which enzyme subfamily primarily metabolises finasteride?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Finasteride is metabolised primarily by the cytochrome P450 3A4 enzyme subfamily.

Sources for this answer

Propecia 1mg tabletsOrganon Pharma (UK) Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 26Document updated 14 July 2026

Sources checked 8 November 2026

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finasteride

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