Do Cats Pant When Tired. Continue to 6 of 8 below. For dog owners, seeing their pups pant is completely normal.
It is possible the act of purring when less than happy is a bit like humans whistling in the dark. Although most hyperthyroid cats show a good or increased appetite and restlessness, in some cases there may be generalised weakness, lethargy and loss of appetite. It is unusual to see a cat pant or breathing heavy, but it does occur when a cat is having respiratory distress (dyspnea).
Cats will pant if they are exerted or even if they happy after playing for a few minutes.
If anxiety or physical exertion can be ruled out and a house cat is still panting, the cat should be taken to a veterinarian to check for health problems. Their breathing will become more rapid as will their pulse. For dog owners, seeing their pups pant is completely normal. Cats can pant when they get overheated, but this usually resolves quickly once the cat settles down and cools off.