The few possible causes of your symptoms are peptic ulcer
disease, Type III sphincter of Oddi dysfunction , irritable bowel syndrome, choledocholithiasis and microlithiasis, pancreatobiliary neoplasia, and musculoskeletal pain. You may need additional tests like ERCP, Endoscopy. Did you get liver function tests, serum amylase and lipase done? See a gastroenterologist and discuss above mentioned possibilities.