If he’s only done that thee times, I wouldn’t be too worried. I think my son probably has DGE also, but I didn’t know what it was until reading about it here. He can throw up something he ate 3 hours ago. His Prevacid still works quite well, though.
You can email Joel if you have any questions about PPI’s or other meds for Reflux. He’s very knowledgeable and he may be able to answer your questions. He’s supposed to be back in his office on the 29th. Here’s his email andrewsjj@health.missouri.edu
Some people use both PPI’s and Zantac. The Zantac alone doesn’t seem to be very effective for most babies – at least that’s what I’ve seen in reading these posts. It definitely didn’t help my daughter when she was on it.