Cenforce 100 is a medicine used in men. The medicine makes the blood in the penile area in the body. You can take the tablet on an empty stomach or on the ground. Take the medicine 1 hour before sex. Cenforce 100 is also known as sildenafil. Not taking that pill is harmful to a woman that medicine is given as a tablet for headache or chest pain. Seek help on a patient-by-patient basis. Consult a doctor.