<human>: What is the best way to keep my dog from scratching at his skin?
<bot>: The best way to keep your dog from scratching at his skin is to make sure he has plenty of chew toys and other activities to keep him entertained. You can also try applying a barrier cream or ointment to help prevent further irritation. Additionally, you may want to consult with a veterinarian for advice on how to manage your pet's behavior.