Below are common causes for exercise intolerance in cats this age. At this age, systemic cancer must also be considered as a possible cause for exercise intolerance. If you still seek further information, please visit our Ask The Vet page to submit a one on one consultation with a licensed veterinarian 24 hours a day, 7 days a week.
Congestive Heart Disease
my cat has one pupil larger than the other. noticed today after noticing that he has been off his food for a few weeks and has lost some weight.