As a dog ages, the immune system does not function as effectively and the older dog becomes more prone to develop infectious diseases.

The infection in an older dog is usually more severe than a similar one in a younger dog.

It is important to keep your older dog up to date on vaccinations and preventative health care.

The more common diseases in senior dogs include:

  • Common diseases in senior dogs

    Common diseases in senior dogs. Photo: Alexandru Rotariu/unsplash


  • Dental disease,
  • Arthritis,
  • Kidney disease/failure,
  • Prostate disease,
  • Cataracts,
  • Hypothroidism,
  • Cushing’s disease,
  • Urinary incontinence,
  • Dry eye,
  • Epilepsy,
  • Gastrointestinal disease,
  • Inflammatory bowel disease,
  • Diabetes mellitus,
  • Obesity,
  • Anemia,
  • Heart disease,
  • Liver disease; and
  • Bladder stones.