Increase of pain level before ejaculation. This symptom goes hand by hand with painful urination because of equal nature. Lots of sufferers with prostate cancer tell about pain experience near urine before the orgasm. The reason of it is Increase in size and inflammation of the prostate. Enlarged prostate blocks seminal ducts which causes pain. But do not make sudden conclusions. If you feel such a symptom, the good idea would be to visit a medic.