Can acid reflux cause severe upset stomach, especially upon waking? i do not get much heartburn, but i have a severe problem with upset stomach which i wake up with everyday. Acid reflux cause upset stomach. “postnasal drip, if it’s severe, can give you this chronic runny nose and can slightly irritate the stomach – but it’s usually the gerd that causes the problems, not the other way around” triggers for acid reflux so now you know that the triggers do not include anything going on with the nose, no matter how drippy and voluminous the.
acid reflux cause upset stomach
