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.