How old is he?
If it's happening during the middle of the night, then I'd be thinking reflux / regurgitation (regurgitation, btw, is not vomiting...). For this, you'd usually try Pepcid before anything else.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |