A: Panting, drooling, vomiting, being excessively lethargic, fever, rapid pulse or collapse are all signs of heat stroke. Get your cat to the veterinarian right away advises Marci Koski, PhD, certified cat behavior and training consultant. For more tips on keeping your cat cool in the summer, click here.
Source: Keep Your Cat Cool in the Dog Days of Summer With A Few Quick Tricks by Ramona Marek
See your veterinarian for specific advise on veterinary care for your cat.