Cenforce 25 is taken to treat male sexual problems like impotence. It is imperative to consult a doctor before taking this medicine. A key ingredient named sildenafil citrate plays an important role, which helps in increasing blood flow to the penis. So that you can enjoy intercourse with your partner. You should avoid taking this medicine if you are taking other medicines. Usually take on an empty stomach for effective dosage. The effect of this medicine takes about 30 minutes or 1 hour.