The four rescued breeding dogs in this true story had been denied vet care for years and all four were living and breeding with painful medical conditions. (stoponlinepuppymills.org)
British pastor Eric Gaudion has suffered from an acute and painful medical condition for many years. (premierchristianity.com)
This is by no means a complete list, but dogs of any age can develop the following painful medical conditions: (consumersadvocate.org)