Cenforce D Tablet is taken for erectile dysfunction in men. The drug contains an ingredient called sildenafil which helps to increase blood flow to the penile tissues of men. This drug is only taken by men over 18 years of age. You can take this medicine according to the doctor's advice. Take this medicine with water but do not break or chew the medicine. The effect of this medicine lasts for 4 to 6 hours. You should take this medicine as advised by your doctor. This medicine should not be taken by women and children. You can also take this medicine before or after a meal.