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finasteride

American  
[fi-nas-tuh-rahyd] / fɪˈnæs təˌraɪd /

noun

Pharmacology.
  1. a drug, C 23 H 36 N 2 O 2 , that inhibits testosterone metabolism, used in the treatment of benign prostatic hyperplasia and male pattern baldness.


Etymology

Origin of finasteride

First recorded in 1985–90; fina- (of unknown origin) + (testo)ster(one) ( def. ) + (am)ide ( def. )


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Now 24 years old, he takes a stronger version of finasteride along with oral minoxidil at a low dose to stave off side effects.

From The Wall Street Journal ● May 1, 2026

The oral version of minoxidil can cause unwanted hair growth on the face and other areas of the body, while finasteride can dampen libido and lead to erectile dysfunction.

From MarketWatch ● Feb. 25, 2026

Medications such as finasteride and minoxidil are widely prescribed, but concerns about side effects and long term use have pushed many patients to look for gentler, more holistic approaches.

From Science Daily ● Feb. 9, 2026

The findings show a clear trend: people who used finasteride were far more likely to experience mood disorders and suicidal thoughts than those who did not.

From Science Daily ● Oct. 13, 2025

Boots, Hims and Superdrug say online finasteride customers are asked to confirm that they have read and understood the possible risks.

From BBC ● Jan. 23, 2025

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