Malegra 100 is a drug used to treat sexual problems in men such as impotence and erectile dysfunction. The drug contains an ingredient called sildenafil citrate. This drug works by increasing blood flow to the nerves. This medicine should be taken 1 hour before sexual intercourse to get a harder and longer erection and make your sex life better. This medicine can be taken on an empty stomach or after a meal. Take this medicine as advised by your doctor. The effect of this medicine lasts for 4 to 6 hours. Take this medicine with water. You can visit pharmev.com for more information.