
Upper abdominal pain and discomfort; symptoms of acid reflux may be a sign that stomach acid has inflamed your esophagus when that happens, stomach acid can damage the lining of your esophagus. Symptoms of acid reflux headache. She said other symptoms include gi problems, diarrhea to severe acid reflux "i had diarrhea every day for two+ months unbearable nausea also: inexplicable...