Malegra 50 is used to treat impotence in men. The main ingredient in this drug is sildenafil citrate, which is further developing blood flow to the penis, leading to a fractured erection so that the penis remains stable during erection. Fatty and cold drinks should not be consumed after taking this medicine as it slows down the effect of the medicine. The effect of this medicine lasts for 3 to 4 hours. This medicine should be used only on the advice of your doctor. This drug can be used 1 hour before the planning of intercourse.