Men use cenforce 50 mg to cure impotence. Sildenafil citrate present in this medicine is a useful medicine for men's health. Do not consume junk food or cold drinks while taking this medicine. This medicine should be taken about 30-40 minutes before sexual intercourse. It takes about 5 hours for this medicine to show its effect in your body. This medicine can be taken with water only. This medicine is not for children below 18 years and women.