Malegra oral jelly is a medication used to treat erectile dysfunction, also known as impotence. This medicine contains sildenafil, which aids in the increase of blood flow to men's penile tissues. Only guys over the age of 18 should take this medicine. Take Malegra oral jelly medicine one hour before sexual activity to ensure that you can enjoy a sexual life with your partner. This medication has a 4- to 6-hour effect, so take it just once every 24 hours. You can take this medication as directed by your doctor.