Canine distemper is also known as hard pad disease because it can cause the pads of an animal's feet to thicken or enlarge. (caninejournal.com)
Canine distemper, which is also known as Carre's disease and was once called hard pad disease, is a highly contagious virus that primarily affects young dogs, both domesticated and wild, between the ages of 2 and 6 months. (atailof4paws.org)
Canine distemper (also known as hard pad disease) is a disease young dogs and puppies are prone to. (animalbehaviorcollege.com)