Cenforce 25 is used to treat impotence and erectile dysfunction in men. This medicine contains an ingredient called Sildenafil which helps in increasing the blood flow to the penile tissue in men. This drug helps men experience stronger erections during intercourse. You can take this medicine before or after food. Take this medicine with water but do not break or chew the medicine. Take this medicine as advised by your doctor. This medication is to be taken only by men above 18 years of age. The effect of this medicine lasts for 4 to 6 hours.