Exercise can trigger heartburn if the les muscle (the lower esophageal sphincter) is weak or too relaxed, and food or stomach acid "burps" back up from your stomach into your esophagus. Heartburn exercise treatment. While there are few rigorous studies on how exercise affects gerd, commonsense precautions can make a difference in keeping reflux down while you're working out reconsider eating before exercise.
heartburn exercise treatment
