Most babies spit up sometimes, even several times a day but when vomiting causes other problems or comes with other symptoms, it may be due to acid reflux, also called gastroesophageal reflux. Acid reflux attack in babies. In babies with acid reflux, food backs up in the baby’s stomach and causes them to spit up babies are born without a fully mature esophagus, which is why this is such a common occurrence (it also explains why our first baby seemed to suffer from such bad acid reflux.
acid reflux attack in babies