About this information
This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.
Who can take finasteride
Most men aged 18 years old or over can take finasteride.
It's generally not recommended for women or children.
Who may not be able to take finasterideFinasteride is not suitable for some people. To make sure it's safe for you, tell a doctor if you:
- have ever had an allergic reaction to finasteride or any other medicine
- have ever had depression or thoughts about harming yourself
- have severe bladder problems
- have liver problems
View the original NHS website page ↗. Refreshed 19 August 2026.
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