What causes abdominal pain and diarrhea?
Patient: Since April 28 intermittent episodes of abd pain nausea vomiting watery stools at times severe have to go to er.  Other times last couple hours.  When the episodes are severe will start with belching rotten eggs then nausea vomiting then watery brown stools. Er said go to primary md primary md gave prilosec and abd CT done normal.  Waiting gi consult.  Since April 28 I'll with symptoms at least once a week. In between times feel fine. Never know when it will hit.  History of these symptoms for years no diagnosis given. Doctor: Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.  * As far as my clinical experience is concerned, this is intestine infection. * Primary guidelines to manage the same  - Plenty of liquids in sessions. - Bland vegan diet with organic fresh fruits. - Anti emetic, PPI with GI specific antibiotic prescription with your doc. - Add probiotics in natural form as fresh curd in diet. Do give me further chance to assist in future.  Hope I have answered your query. Let me know if I can assist you further.