oh! The poor baby. That must be hard for you watching all that and not being able to help at all. I have not had any experience with this myself but if it were me, I would go into the search and type in "vomit" and see what comes up. Actually, I did do that and a bunch of sites come up! Maybe someone has posted something similar to what you are going thru and it will help. I hope so anyways. Keep us posted and hope he's feeling better soon.
Theresa