dvm360: What are some subtle behavioral and physical signs of chronic pain in geriatric dogs?

An expert has shared a number of signs that your beloved pet may be in pain, including changes in their behavior, physical indicators, and altered habits ...

Q: I have a Cavalier King Charles Spaniel who is 9. Recently, over the last two weeks, he developed an involuntary, what I would call, muscle spasm. I can see ...