The use of Cenforce 100mg medicine helps men to be sexually happy. This medicine contains an ingredient called sildenafil which helps in relaxing the erectile tissue in men to help them maintain an erection for a longer period of time. This medicine is taken 30 minutes before intercourse. The effect of this medicine is taken for 4 to 6 hours. You can take this medicine before or after food. Do not consume alcoholic beverages with this medicine.