The Cenforce 50 mg tablet is used by men. The Best Medicines for Men Who Treat erectile Dysfunction and Impotence. The Cenforce 50 mg tablet contains sildenafil as the active ingredient. Which is similar to Viagra. Cenforce tablet helps men to get a hard erection in their sex life and make your sexual life happy. This medicine should be taken 30 minutes before sexual intercourse. The effect of this drug lasts for 24 hours. Therefore, it is important to consult your doctor while taking this medicine.