All symptoms
Behaviour, sleep or cognitive changes
Behaviour change in an older dog is a clinical sign, not a personality shift. Pain, blood pressure, hearing and cognition all belong on the list.
This page points to vet-written guides. If a sign is sudden, severe or worsening, contact your vet rather than reading first.
Guides that cover this
Which changes are part of normal ageing, and which point to a medical cause.
- Understanding normal ageing in dogsArticle · Healthy AgeingA vet-written guide to what is normal as dogs age, when dogs become senior, and which changes deserve a closer look from your veterinarian.
- Canine vestibular diseaseCondition guide · NeurologicalA sudden head tilt, loss of balance and flickering eyes can be frightening. Here's what vestibular disease means and how it is managed.