Dogs often revert to puppy like problems as they age. Teoti Anderson reviews some issues pet owners may find coming back as their canine friends age. The core areas of anxiety, housetraining accidents, destructive behavior and grooming struggles are all considerations.
Source: Modern Dog, October 13, 2016.
As a dog ages, hearing and other senses diminish. Remember that older dogs, like older people, need more bathroom breaks and try to adjust your schedule accordingly. As dogs age, they grow more physically sensitive. Aching bones and arthritis may make it painful for your dog when you brush him. Anxiety issues with sounds can reappear along with destructive behaviors.