Tadalista 20 mg is used to treat sexual problems such as impotence in men. The contains an active ingredient called tadalafil, which helps relax muscles by increasing the amount of blood in the arteries of the penis. This pill should only be used by men over 18 years of age. By using this drug 1 hour before intercourse, a strong erection can be achieved by spreading blood in the area of arousal. It is advisable to take this medicine as per the doctor's advice. You can visit welloxpharma.com for more information.