<human>: How do I know if my dog has an anxiety problem?
<bot>: Anxiety is a common issue for dogs, and there are several signs that your dog may be suffering from it. These include increased stress levels such as pacing or panting, avoidance of certain situations, excessive drooling, trembling, whining, barking, trembling, hiding, and changes in appetite. If you notice these behaviors in your dog, it's important to take them to the vet to get checked out.