Fildena Double 200 is a treatment for erectile dysfunction in men. This pill is a very effective and beneficial impotence treatment. One ingredient in these pills, sildenafil, helps to increase blood flow to the tissues of a man's penis. Take these pills an hour before having sex with your partner to get the most out of it. It may take up to 24 hours for this medication to start working. You can take these pills before or after eating. Follow your doctor's instructions when taking these pills.