What does it do?
Finasteride is used to treat problems caused by an enlarged prostate, such as trouble peeing. It is also sometimes used to treat head hair loss in men.
How should you take it?
Take finasteride regularly as directed with a glass of water.
What if you forget a dose?
If it is nearly time for your next dose, skip the missed dose and take your next dose at the usual time. Otherwise, take the missed dose as soon as you remember. Do not take two doses at the same time.
Can you take other medicines?
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs.
What side effects might you notice?
| Side Effects | Recommended action |
|---|---|
|
Sore or enlarged breasts Low mood |
Tell your doctor |
|
Less interest in sex, trouble getting or keeping an erection |
Tell your doctor if troublesome |
If you notice any other effects, discuss them with your doctor or pharmacist.
Other information:
- It may take a few months for finasteride to start working.
- Pregnant women should not take finasteride or handle broken or crushed tablets. Tell your doctor if your partner is pregnant, or planning to become pregnant. For more information, you can also visit - mothertobaby.org/fact-sheets/finasteride
This leaflet contains important, but not all, information about this medicine.
Prepared by the MyMedicines Committee at Christchurch Hospital, Te Whatu Ora - Waitaha, New Zealand. August 2019
For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?
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About My Medicines
My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at Te Whatu Ora – Waitaha. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed