Fildena medicine is made with generic sildenafil citrate as a main effective chemical in this drug and it is a strong PDA type-5 inhibitor. The effect of this medication last up to 3-4 hours after absorption. Impotence is a condition in which a man is incapable to attain and continue a satisfactory erection while lovemaking. Read our product information like fildena composition, fildena reviews, fildena warnings.