Men all over the world are suffering from sexual problems in their married life and they cannot maintain an erection with their partner. If you want to get rid of this problem, you should use Filagra . This medicine contains Sildenafil as an active ingredient. This medicine is taken 30 or 45 minutes before sexual intercourse. The effect of this medicine is observed for 4 to 5 hours. It is important to consult a doctor before taking Filagra.