Cenforce 50 medicine is a used by men to achieve strong erection. The sildenafil citrate present in this drug works to increase blood flow to the penis in men. You should not share this medicine with people close to you or your relatives, even if they have similar symptoms. Always advise them to consult a doctor. This drug should be taken 35-40 minutes before intercourse to achieve a strong erection. If you do not know about this you can consult your doctor.