Tadact 20 mg tablets are manufactured by IPCA Laboratories Ltd which is well known for making the best and most highly effective medicines in the market. The main ingredient of the medicine is tadalafil which is used in the treatment of erectile dysfunction and benign prostatic hyperplasia (enlargement of the prostate gland). It is a problem in which men are unable to maintain a hard and long erection that is important for a pleasurable sexual experience.