Fildena 100 pills are used to solve the problem of erectile dysfunction i.e. these pills are used to solve the problem of impotence. Sildenafil acts as the active ingredient in Fildena 100 pills. These pills should be taken 30-35 minutes before sex. After taking it its effect lasts for 6-7 hours. Fildena 100 should be used once a day. Fildena 100 should be kept away from small children and pets. Fildena 100 is known as a magic pill and is known as a purple pill.