How Often Should a Formula-Fed Baby Have a Bowel Movement ...
Jun 13, 2017·Talk to your doctor if your baby is younger than 4 months and constipated. You may need to switch to a different kind of formula. For a baby 4 months or older, give 2 oz. to 4 oz. a water in addition to the normal number of bottles. If water doesn’t help, talk to your doctor about adding 1 oz. of prune, pear or apple juice to the baby’s diet.