Have you ever been bothered by the problem of impotence in your life and you are looking for a medicine to cure it so men should use Malegra 100mgtablet which contains sildenafil as active ingredient which will help men in their sex life for a very long time. Helps to get erection. The effect of this medicine lasts for 4-5 hours. You should not eat heavy food and do not consume alcohol while taking this medicine.