Men with erectile dysfunction and impotence can be treated with Kamagra . Only men who are at least eighteen years old should use this medication.  Sildenafil, one of the ingredients in this medication, aids in boosting blood flow to the male penis's tissues. Take this medication half an hour before sexual activity. Cold beverages and fatty meals should not be consumed with this medication since they will lessen its effectiveness. Follow your doctor's advice when taking this medication.