Men from all over the world are suffering from the problem of impotence due to which they cannot make their partner happy. So one of the good news for men is that you should use Cenforce for the treatment of this problem which has sildenafil as an active ingredient. Which is the best medicine for treating the problem of dysfunction and erectile dysfunction. It should be taken 30 minutes before. The effect of this medicine lasts for 4-5 hours, so it is important to consult your doctor before taking this medicine.