Medicines & Supplements A to Z > Finasteride


Last updated on 22/03/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Finasteride


BRAND NAME(S) IN HONG KONG: Damocare, Finakem, Finasterida, Fincar, Fynasid, Hovid, Kinscar, Maxteride, Panad, Propecia 保康絲, Proride, Proscar 保列治, Prosfast, Prosteride, Provance, Stercar, Stercia, Tensen, Vickpecia, Vickscar, Vitaderm, Zofine

DRUG CLASS: 5-alpha reductase inhibitor

USED FOR: Male hair loss, benign prostatic hyperplasia


AVAILABLE DOSAGE FORMS: 1mg, 5mg (tablets)

What is Finasteride for?

Finasteride belongs to a class of medications called 5 alpha-reductase inhibitors. It helps hair growth in male pattern baldness by lowering the level of a certain hormone. It is also used to treat the signs of an enlarged prostate.

How to use it?

Finasteride can be taken orally as tablets.

For treating hair loss, the usual dosage is 1 mg once daily for at least 3 months.

For relieving the signs of an enlarged prostate, the usual dosage is 5 mg once daily; assess response after 12 weeks to 6 months.

What are the side effects of Finasteride? 

Common side effects include dizziness, tiredness and a change in sex ability or interest. If you have a lump in the breast, breast pain or soreness, please inform your doctor as soon as possible.

Who should not take Finasteride?

Anyone who has an allergy to Finasteride or any other components of the drug.

Pharmacist Tips:

– Finasteride may take a few months to see the full effect: 3 months for treating hair loss; 6 months for enlarged prostate.
– Finasteride can be absorbed through the skin. If the film coating of the tablet has been broken or the tablet crushed, it should not be handled by a woman who is pregnant or planning to become pregnant. Exposing a developing male infant to Finasteride can result in abnormalities of the genitals.

Common dosing schedule:
Finasteride can be taken with or without food.
Keep taking as instructed by your doctor, even if you feel well.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Finasteride may interact with:
There are no known significant interactions between Finasteride and other medications.

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Finasteride in Hong Kong?

In Hong Kong, Finasteride is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

Need more information?

For detailed information about the use of Finasteride in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.