Will Amytriptyline Help My Dog’s Behavior?

Will Amytriptyline Help My Dog’s Behavior? Amitriptyline can be used to treat a variety of anxious behaviors in dogs, as well as certain kinds of pain. How long does amitriptyline take to work on dogs? It may take 7-10 days to reach full therapeutic effect. Sedation due to the antihistaminic side effects should not be