The valve between your esophagus and stomach that opens to let acid back up in GERD also opens for healthy reasons, like releasing excess air or allowing you to vomit up something poisonous. Watch this animation to see the valve in action.
Burping? Belching? Bloated? Those may be symptoms of gastroesophageal reflux disease (GERD). Get tips from Dr. Oz and other Sharecare experts to prevent acid reflux and treat GERD symptoms when they flare up.
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