As well as IBS occasionally I also get really bad severe symptoms and sulphur burps! These burps smell like rotten eggs and the smell lingers in the air. They taste foul! My family hate me and they can last for 1-3 days. Often I feel nauseous and occasionally I actually vomit too! Is this a side effect of IBS as my doctor has no ideas and me neither. A few years ago I found a temporary solution. My partner read online that another person in America used alka seltzer to relieve the symptoms which I never thought would work, but it reduces the burps and sometimes gets rid of that episode but they ultimately come back. I’m actually after a cure or even someone to know what I’m talking about. Anybody know???