6. Know Which Dogs Are at Greater Risk of Overheating
Some dogs are more susceptible to overheating, including senior dogs, overweight dogs, and those with a thick coat. Flat-faced, brachycephalic breeds, such as pugs, French bulldogs, and boxers, are also more at risk of heatstroke because they can’t pant as effectively.
7. Never Leave Your Dog in a Hot Car
Car interiors can reach over 100 degrees Fahrenheit within ten minutes when outside temperatures hit 85 degrees—even with a window left open. The thermometer can read 120 degrees within half an hour, leaving a dog at risk for fatal heatstroke. In some states, it's illegal to leave a dog unattended in a car in hot weather. Even if you only plan to run into the gas station for a minute or two, leave your dog at home when temperatures are 70 degrees or above.
8. Avoid Exercise During the Hottest Part of the Day
A 2020 study in the journal Animals suggests that heatstroke caused by exercise can be as dangerous as that caused by being left in a hot car. Dogs often still want to play with their ball or run with their friends on hot days, so it's up to you to help keep them cool. Stick with shorter on-leash walks at dawn and dusk to avoid the intense daytime heat. For active, energetic dogs, stock up on brain-train games to keep them stimulated while staying out of the heat.
9. Recognize the Signs of Heat Stroke and Don’t Delay in Seeking Help
While preventing heatstroke is easier than treating it, and you’ll want to do everything you can to avoid it, it’s still helpful to recognize the signs.
Your dog may be panting and drooling excessively, breathing loudly, and acting lethargic and uncoordinated. They may have a purple tongue and, in severe cases, may vomit, seize, or fall into unconsciousness.
Move your dog out of the heat immediately and cool their belly, ears, and paws with cool water or ice packs. Don’t try submerging them in very cold water or covering them with a cold, wet blanket. Cooling too quickly can shock the heart and shrink the blood vessels, trapping heat in the body.
Because there’s a fine line between just being too hot and severe heatstroke, seek immediate veterinary support. If your dog has serious symptoms, cooling them while getting them to the vet as quickly as possible can be critical.