some babies just spit up a lot. It can be normal. It is concerning if the baby is not gaining well, or if the baby is in
or discomfort. Some babies with GERD do spit up a lot, but it's more than just vomiting. They will scream while they spit up because it burns. They would arch their backs or get very rigid in response to the pain. If you see any of the symptoms I described above, discuss the possibility of reflux with the ped.