How does it work?

This medicine contains the active ingredient finasteride, which is a type of medicine called a type II 5-alpha reductase inhibitor. Finasteride works by inhibiting the action of a compound in the body called type II 5-alpha reductase. This compound is called an enzyme, and is responsible for converting the male hormone testosterone into dihydrotestosterone (DHT). DHT is a hormone that can damage hair follicles and lead to hair loss in men who are genetically sensitive to it. As finasteride prevents the action of type II 5-alpha reductase it prevents the formation of DHT. This decreases the amount of DHT both in the blood and the scalp and can lead to reversal of the balding process. The medicine is taken by mouth to increase hair growth and prevent further hair loss in men with male pattern baldness. It may take three to six months of treatment before you notice a decrease in hair loss or increase in hair density. Continued use of this medicine is recommended to obtain the maximum benefit. If you stop taking it you are likely to lose any hair you have gained within 9 to 12 months.

What is it used for?

Male pattern hair loss

Warning!

Women who are pregnant or of childbearing age should not handle broken or crushed tablets of this medicine, as the medicine may be absorbed through the skin and be harmful to an unborn child.

You should not exceed the prescribed dose of this medicine as this will not make it any more effective.

Not to be used in

Children

Men taking 5-alpha reductase inhibitors for an enlarged prostate or other condition

Women

This medicine should not be used if you are allergic to one or any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy. If you feel you have experienced an allergic reaction, stop using this medicine and inform your doctor or pharmacist immediately.

Pregnancy and Breastfeeding

Certain medicines should not be used during pregnancy or breastfeeding. However, other medicines may be safely used in pregnancy or breastfeeding providing the benefits to the mother outweigh the risks to the unborn baby. Always inform your doctor if you are pregnant or planning a pregnancy, before using any medicine.

This medicine must not be taken by women due to its risk in pregnancy. Women who are pregnant or of childbearing age must not handle crushed or broken tablets, as the medicine may be absorbed through the skin and cause abnormalities in a male foetus. Whole tablets are coated to prevent contact with the active ingredient during normal handling, provided they are not broken or crushed.

Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

Inability of a man to have an erection (impotence)

Breast tenderness/swelling

Pain in the testicles

Reduced volume of ejaculation

Ejaculation disorders

Decreased sex drive

Hypersensitivity reactions such as rash, itching, hives or swelling of the lips and face

The side effects listed above may not include all of the side effects reported by the drug's manufacturer. For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?

There are no significant interactions reported with this medicine.

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