Sildenafil acts primarily in the Fildena Double 200 drug. These tablets are taken 1 hour before sex, after which the effect lasts for 4-5 hours. Fildena Double 200mg is a popular tablet for solving sex related problems, which will allow you to enjoy sex better. It is important to consult a doctor before taking Fildena Double 200 Mg. Fildena Double 200 is ED's best drug.