Fildena 50 use is the best medicine for those who are weak and have difficulty in getting an erection. Sildenafil works in that main part. Take medicine only if above 18 years. It should be taken with food or on an empty stomach. It is necessary to take medicine according to that time. It should be taken within 1 hour before sexual intercourse. So works in more sex. Works excellently in the swollen part of the muscle. Take as per your doctor's advice.