Heartburn is something that most adults will experience during their lifetime it is characterized by an uncomfortable burning sensation right behind the breastbone that often times creeps up the throat, and is a symptom more so than a disease it is caused by acid reflux, which occurs when the. Acid reflux medication for adults. About gerd: gastroesophageal reflux disease (gerd) is when food or liquid travels from the stomach back up into the esophagus (the tube from the mouth to the stomach)this partially digested material is usually acidic and can irritate the esophagus, often causing heartburn and other symptoms.
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