upper left side abdominal, sharp pressure just under rib cage, chronic pain for 4 months after eating, sometimes immediately and other times within 1 to 2 hrs - pain last for 3 to 8 hours and diarrhea sometimes- pain also can wake me up at night and last for 2 to 3 hrs - the only thing that seems to ease the pain is a heating pad. when pain comes on abdominal swelling and nausea
HI. Your history of pain in abdomen with diarrhea, abdominal swelling, increasing after food on the left side under the left rib cage is suggestive of following things:-Colitis of the left colon_Gastric ulcer / Cancer-Pancreatitis. As the most probable cause. I would suggest you to undergo the investigations first to find out the cause properly to facilitate proper treatment :::Blood-complete blood picture, kidney functions tests, blood sugar fasting and post-lunch, Urine-routine, microscopy, culture and sensitivity (before start of antibiotic)Stool-routine, microscopy, occult bloodUltrasonography of abdomen. CT scan of the abdomen ColonoscopyUpper GI Endoscopy these test will give us the diagnosis to decide the proper and curative treatment.