and stomach ) but no damage, but the weakening meant that acid leaking up into my throat and mouth. Was prescribed esomaprazole which I took for 2 weeks but I was beginning to get prolonged periods of fatigue and feeling very unsteady not exactly dizzy but very disconcerting generally feeling peculiar. I also have ibs and had previously had some minor episodes of lightheadedness but this is much worse. I told my gastro enterologist andhe said most common side effect diarrhea which I dont have. Have now stopped esom. for two days and will then try omeprazole ( which is apparently much weaker or ranitidine. This is very long winded but has anyone else had similar effects from esomaprazole and if so how long before they wore off or could it be effects of reflux itself or ibs causing this. Starting to get worried.