Symptoms in Babies

GERD is common in healthy infants. More than half of all babies experience reflux in the first 3 months of life, but most stop spitting up between the ages of 12 to 24 months. Only a small number of infants have severe symptoms. An infant with GER may experience

spitting up
vomiting
coughing
irritability
poor feeding
blood in the stools
In a small number of babies, GER results in symptoms that cause concern. These symptoms include

poor growth due to an inability to hold down enough food
irritability or refusing to feed due to pain
blood loss from acid burning the esophagus
breathing problems
These problems can be caused by disorders other than GERD. Your health care provider will need to determine whether GERD is the cause of your child’s symptoms.

source: digestive.niddk.nih.gov