Sildenafil acts as the active ingredient in Fildena 100. Fildena 100 drug, these tablets are taken shortly before intercourse. Fildena 100 is a drug that works by increasing blood flow to the penis, thereby eliminating sex-related problems. Fildena 100 is ED's best tablets. It is important to consult a doctor before taking Fildena 100 Mg. These tablets should be kept away from small children and pets.