Like all prescription products, Propecia may cause side effects. In clinical studies, side effects from Propecia were uncommon and did not affect most men. A small number of men using Propecia experienced certain minor sexual side effects. These men reported one or more of the following whilst taking Propecia: less desire for sex, difficulty in achieving an erection and a decrease in the amount of semen. Each of these side effects occurred in less than 2% of men. The side effects went away in men who stopped taking Propecia. They also disappeared in most men who continued taking Propecia.

The following have been reported from general use of Propecia: allergic reactions including rash, itching, hives and swelling of the lips and face; problems with ejaculation, breast tenderness and enlargement and testicular pain.

If any of these side effects occur, Stop taking Propecia and inform The Belgravia Centre immediately.

It is important that those with liver function problems consult a physician prior to taking Propecia, as it is extensively metabolised in the liver.

Propecia can affect a blood test called PSA (Prostate-Specific Antigen) for the screening of prostate cancer. If you have a PSA test done, you should tell your doctor that you are taking Propecia