Fildena 150 medicine is used in men with ED problems. This medicine contains an ingredient called sildenafil. As soon as the medicine takes effect, the muscles relax, and a constant flow of blood is obtained to keep the penis erect and strong for the desired period. The effect of this medicine lasts for 3-4 hours. This medicine should be used only on the advice of the doctor. You can use this medicine 1 hour before intercourse and enjoy a strong erection. This medicine is recommended only for men aged 18 or older.