Fildena CT 50 medicine is primarily used in the treatment of erectile dysfunction and male impotence. This medicine uses sildenafil citrate. It is a PDE-5 inhibitor that works by increasing the concentration of nitric oxide and relaxing the muscles and tissues around the pelvic zone. It dilates veins while clearing blocked vessels. This medicine is recommended only for men aged 18 or older. Using this medicine improves your sex life. You can use this medicine 1 hour before sexual intercourse and enjoy a strong erection. The effect of this medicine lasts for about 36 hours.