Tadarise 20 is an effective remedy for erectile dysfunction or impotence in men. The active ingredient Tadalafil plays an important role in this medicine. This medicine helps in improving the blood flow in the penis. This drug maintains an erection for a long time. The effect of this medicine can last up to 36 hours. This medicine should not be taken by women and children. It is advised to take this medicine on a prescription as per the doctor's advice. This medicine is 100% safe and effective medicine. This medicine should be taken one hour before sexual activity. It is recommended to take this medicine more than once within 24 hours.