Fildena Double 200mg is widely used to address the problem of impotence. Fildena double 200 Mg is taken some time before sex, after which the effect lasts for 4-5 hours. The Fildena Double 200 is one of ED’s most popular tablets. Sildenafil acts as the main active ingredient in Fildena Double 200. Fildena Double 200 Mg A must be taken once a day.