Cenforce 50 is a drug used to treat erectile dysfunction in men. The drug contains an ingredient called sildenafil citrate. This drug works by increasing blood flow to the nerves. This drug helps men to know strong, hard and prolonged erection during intercourse. This medicine should be taken 30 minutes before sexual intercourse so that you can have longer intercourse with your partner. This medicine can be taken on an empty stomach or even after a meal. Take this medicine as advised by your doctor. This medicine can also be taken with water. The effect of this medicine lasts for 4 to 6 hours.