Cause of intermittent discomfort with negative tests may be ibs but first localize organ involved: vaginal discharge or bleeding, alteration in periods, pregnancy risk? Fever, nausea, vomiting, altered stool pattern, blood with stool, tenderness, distension? Painful urination, blood in urine? Recent trauma, herniations? Age? Gender? Risk factors? Possible pseudo-obstruction, biliary spasm, stress?
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