Hello, Same thing is happening to my dog. We took her in because she started losing her balance and had a tilted head. The vet said she has Vestibular Syndrome and the vet gave her pills. They said that my dog should get better in 5 days or so but they also said if she doesnt get better she might have a brain tumor. Right now, shes drinking like 6 bowls of water a day. We're guessing its the medicine thats making her so thirsty.
I'm just hoping she doesnt have a brain tumor. Hope your dog gets better