My concern would be the pain and where it is coming from. Is the vet sure it is coming from the subq site? Or is it around the neck? Or spine?
And to answer your question, yes, if my dog was shaking and shrieking in pain, I'd want a vet to talk to me right away...
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |