Rarely, infant reflux can be a sign of a medical problem, such as an allergy, a blockage in the digestive system or gastroesophageal reflux disease (gerd) symptoms infant reflux generally isn't a cause for concern it's very unusual for the stomach contents to have enough acid to irritate the throat or esophagus and to cause signs and symptoms. Generic acid reflux medication for babies. Generic acid reflux medication for babies what causes heartburn (
