Sildenafil acts as an active ingredient in the Fildena 100 drug. Fildena 100 is one of the tablets that is most used to solve the problem of male impotence. Tadalista tablets are taken 1 hour before intercourse, after which the effect lasts for 5-6 hours. Avoid taking this drug if you have any kind of allergy to Fildena 100 tablets. It is important to consult a doctor before taking Fildena 100mg. Fildena 100 is widely used.