spit up

It's not unusual for young infants to experience gastroesophageal reflux (GER), which occurs when food from the stomach comes back up to the esophagus. Fortunately, most infants with GER tend to outgrow the symptoms before reaching 1 or 2 years old. Dr. Bornstein discusses GER symptoms, causes, and treatment. DEFINITION: An excessive amount of spitting [...]