Tadalista 20 contains tadalafil as the generic ingredient. This drug is used to treat impotence in men. This drug helps men to increase sexual erection for a long time. Tadalista 20 medicine is taken in different doses. It is important to consult a doctor before taking this medicine. The effect of this medicine is observed for 36 hours. This medicine is taken 30 minutes before sexual intercourse. Tadalista 20 medicine makes sex life happy.