I have been suffering from pain in the  right side of stomach from last two months. Usually pain starts after drinking two glass of water  and it changes their location depends upon the intensity of pain if pain is higher   right side if low than it goes little downwards during urination i feel relaxed that effecting area. Sonography done and no stone in kidneys and in urine bladder  .so what are the causes for pain and what to be done  plzz assist me.