Tadarise 20 contains tadalafil as the active ingredient. This medicine helps men to get a longer sexual erection with their partner. This medicine is the best medicine for the problem of impotence. You should not eat heavy food and drink alcohol while taking this medicine. Tadarise 20 medication should be taken 30 minutes before sexual intercourse by men. The effect of this medicine lasts for 24 hours. Tadarise 20 is taken in different doses.