Filagra Tablet is used to treat erectile dysfunction and impotence problems. This drug contains the term Sildenafil as an active ingredient which helps men to have a longer erection with their partner. Men should take Filagra 30 minutes before sexual intercourse. Do not take heavy food while taking this medicine. The effect of this medicine lasts for 4-5 hours so it is necessary to seek the help of a doctor while you are taking this medicine.