Sildenafil acts as the active ingredient in Fildena 100 pills. Fildena 100mg is taken one hour before sexual intercourse. The effect of indigestion which is taken remains for 5-6 hours. It helps to enjoy sex life well. A doctor must be consulted before taking Fildena 100 Mg. Fildena 100mg It is advisable to keep these tablets away from small children and pets.