Acid reflux is when stomach acid flows back up the esophagus from the stomach, causing irritation. Acid reflux may be a temporary or long-term issue. More serious forms are called gastroesophageal reflux disease or GERD.
Acid reflux is when stomach acid flows back up the esophagus from the stomach, causing irritation. Acid reflux may be a temporary or long-term issue. More serious forms are called gastroesophageal reflux disease or GERD.