fildena double 200 is a drug made from a drug called sildenafil. Used to treat erectile dysfunction in men. The effect of this drug lasts for 4 to 6 hours. And if the effect of this medicine lasts for more than 6 hours, seek the help of a doctor immediately. Do not take this medicine if you are suffering from any other disease. If you would like to purchase a fildena double 200 tablet at a lower price visit our site ifildena.