What causes gerd and acid reflux in infants and children? acid reflux happens when food and acid in the stomach move back up into the tube that goes to the mouth, called the esophagus sometimes. Acid reflux in newborn. However, a short-term trial of an acid-blocking medication — such as cimetidine (tagamet hb) or famotidine (pepcid ac) for infants ages 1 month to 1 year or omeprazole magnesium (prilosec) for children ages 1 year or older — might be recommended if your baby: remember, infant reflux is usually little cause for concern just keep plenty.
acid reflux in newborn