If you buy Propecia online, you can experience side effects of Propecia after taking dosage of Propecia. The most common side effects of Propecia include decrease in libido, symptoms of erectile dysfunction, decrease in volume of ejaculation, breast enlargement, rashes, itching, swelling of lips and face, and pain in testicles.

These side effects of Propecia are mild and you can easily treat them if you consult a doctor. You should not stop taking dosage of Propecia until your doctor tells you to do so. However, your doctor may suggest necessary precautions.