Cenforce – Fight with your Impotence For the treatment of impotence in men, Cenforce Viagra is used. sildenafil, a deadly ingredient in this medication, helps men achieve a strong erection during sexual activity so they can enjoy it for an extended period of time. Only men who are at least eighteen years old should use this medication. This medication has a 3 to 6-hour half-life, so avoid taking it too often. Follow your doctor's...