Watch your dog carefully, take him to the vet, i feel something is going on, and if your not satisfied with the answer of your vet take your dog to another. Hope he feels well be cautious you know your pet better then others.
Why did puppy have to die from spay ? I had lost my pure breed Lhasa Apso , named Mushi who was 12 months old, she was just like a baby loving, greeted us...