Men with erectile dysfunction and impotence can be treated with Cenforce d tablet. This medication aids in improving blood flow to men's penile tissues. An ingredient in this medication called sildenafil helps men achieve a strong erection during sexual activity. Take this medication half an hour before sexual activity. This medication takes 6 hours to take effect. Only men who are at least eighteen years old should use this medication. This medication can be taken either before or after food. Follow your doctor's advice when taking this medication.