malegra tablets are used to treat men suffering from erectile dysfunction. In which Sildenafil citrate is found as the main ingredient. The effect of this medicine lasts for 4 to 6 hours. And if the effect of this medicine lasts for more than 6 hours, consult a doctor immediately. Do not drink alcohol before taking this medicine. Because it reduces the effect of the drug. Take this medicine orally with water. Do not break or chew this medicine.