Did you ask the vet why a prescription diet was prescribed? I would feed him soft food only if there is an issue with his trachea. Or presoak the kibble in water overnight in the fridg.
What other health issues does he have? Did the vet give you a diagnosis?
If the problem is neurological then the food won’t make a difference anyway.
I would stop focusing on dog food ingredients. Just find something that agrees with him.
Ask the vet if you can mix the prescription stuff in with the food that he likes?
Leave a message for the vet to call you back when he has a minute. Have a list of questions ready. As far as I know, most vets don’t charge for phone calls.
PS: Ask for a complete copy of all your dogs records, this is better than having them faxed. You should keep your own records anyway.
You can bring a copy of them with you to the new vet.
