Thanks everyone!
Well obviously I was a nervous wreck and I couldn't sleep. It didn't help that the vet NEVER called me to give me an update!

I picked him up an hr ago and they told me that he was just dehydrated and that he had irritation in his tummy. So is that a tummy ache???

They gave me antibiotics to keep him on for the next five days. He seems better; he's ate a little and has more energy.