Erectile dysfunction is a sex problem. Which is seen in men of different ages due to which they cannot get up with their partner for a long time. So such men should not use Malegra 100 medicine. This medicine contains Sildenafil as an active ingredient. Malegra 100 is the best medicine to treat erectile dysfunction and impotence problem. This medicine helps men to get erection for a long time. The effect of Malegra 100 medicine is observed for 4 to 5 hours.