If nutrical isn't working, your pup needs to see a vet. Lethargy is common after vaccines but because that doesn't sound like the case here and it comes with inappetance, the vets needs to know. If he continues not to eat, he might need an IV.
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |