Cenforce 100 Medicine is a drug used to treat erectile dysfunction in men. The drug contains an ingredient called sildenafil citrate which helps increase blood flow to the penis in men and helps relax the muscles of the penile tissue. This drug works for 4 or 5 hours. Take this medicine with water or you can take it before or after a meal. You can take this medicine as advised by your doctor. The effect of this drug is seen in about 30 minutes. Do not drink alcoholic beverages or fatty foods with this drug. Take this medicine as advised by your doctor.