Cenforce 100 Tablet is used to treat erectile dysfunction in men. This drug is very effective for impotence. The medicine contains an ingredient called sildenafil which helps to increase blood flow to the penis tissues of a man. This drug should be taken only by men above 18 years of age. Take this medicine one hour before intercourse. You can take this medicine with water. You can take this medicine before or after a meal. The effect of this drug lasts for 6 hours. Take this medicine as advised by your doctor.