Welcome to Yorkie Talk. I'm sorry Ziggy isn't feeling well.
I would let his tummy rest. It will probably take a little bit to recover from the peanuts. Keep him on a strict diet and hold all treats. Don't force him to eat until his tummy recovers.
Encourage him to drink water and make sure his gums stay moist and pink. If he is hungry, I would give him a little plain steamed chicken breast and white rice. Don't overfeed him.
Did your vet recommend a diet for him?
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