Malegra 100 pill is taken by men to treat erectile dysfunction or impotence and to get a hard erection. This medicine contains sildenafil citrate. This medicine increases the quantity of blood in the penis so you can enjoy sex for longer. This drug is taken 30 to 60 minutes before sexual intercourse. The effect of this medicine lasts for 4-5 hours. This medicine is taken with water. You should take this pill once a day. If more than one medicine is taken, it can have side effects. You can have more sex with your sexual partner with this drug.