Cenforce 200 mg is an excellent medicine for men suffering from impotence. The sildenafil citrate present in this drug helps to increase blood flow to the penis in men. You should not share your medication with people close to you or relatives, even if they have symptoms similar to yours. Always advise them to consult a doctor. This drug should be taken about 40-50 minutes before intercourse. For about 4 hours after taking this medicine it shows its effect on your body.