Cenforce 150mg tablets contain sildenafil as the active ingredient, which is recommended for men suffering from erectile dysfunction and impotence. The effect of this drug lasts for 4-5 hours which helps men to get a longer erection with their partner. Therefore, men should take this medicine 30 minutes before sexual intercourse. You should not eat heavy food while taking this medicine and you should not consume alcohol. It is important to consult your doctor while taking this medicine.