Last Updated on May 16, 2026 by admin
Heatstroke is an emergency, not a wait-and-see problem. If a person has confusion, fainting, seizures, very high body temperature, or other heatstroke signs, call 911 and begin cooling them quickly. Move them to shade or air conditioning, remove extra clothing, wet the skin or clothing, use fans, and use a cold-water or ice bath if it is available and safe to do so.
If your dog or cat may be overheating, call an emergency veterinarian while you move your pet to shade or air conditioning. Start active cooling during transport: wet the body with cool water, use moving air from a fan or car air conditioning, and keep heading to the veterinary hospital. Do not delay cooling because you are afraid of doing it “too fast.” Heatstroke can damage organs quickly, and pets still need veterinary care even if they look better after first aid.
1. Leaving Pets in a Parked Car
Never leave a dog or cat alone in a parked car during warm weather, even for a short errand, even with the windows cracked, and even if the car is in the shade. Vehicle interiors heat rapidly, and pets cannot cool themselves efficiently once the air around them becomes hot and still.
If you must travel with a pet, plan the route so the animal comes with you when you leave the car, or leave the pet safely at home. Air conditioning can fail, a quick stop can take longer than expected, and a nervous pet in a carrier may overheat faster than you realize.
2. Exercising During the Hottest Part of the Day
Walk dogs early in the morning or later in the evening when temperatures and pavement are cooler. Skip hard exercise during heat advisories, high humidity, or poor air quality. Short-nosed breeds, overweight pets, senior pets, young animals, thick-coated pets, and animals with heart or breathing problems need extra caution.
Hot pavement can burn paws. If the surface is too hot for your bare hand, it is too hot for a walk. Choose grass, shade, or an indoor activity instead, and check paws afterward for limping, redness, blisters, or tenderness. A painful or burned paw pad needs prompt veterinary advice.
3. Treating Warning Signs as Normal Heat Behavior
Heavy panting, thick drool, weakness, wobbling, vomiting, diarrhea, glassy eyes, confusion, abnormal gum color, collapse, or seizures are emergency signs in pets. Cats deserve special caution because open-mouth breathing or cat panting or breathing fast is not normal resting behavior.
Dogs pant more commonly than cats, but nonstop panting that does not settle after shade, water, and rest is not something to shrug off. If your pet seems disoriented, weak, unable to stand, or unusually quiet after heat exposure, call an emergency veterinarian and start cooling while you go.
4. Cooling Too Slowly or Using the Wrong Cooling Method
The dangerous myth in many old heatstroke articles is that rapid cooling is the problem. For people with heatstroke, emergency guidance calls for fast cooling while waiting for medical help. For pets, the safe home message is also active cooling plus urgent veterinary care: move to a cool place, wet the body with cool water, and use airflow.
Do not wrap a pet in wet towels that trap heat against the body. Do not use rubbing alcohol on paws or skin. Do not force water into the mouth of a weak, vomiting, collapsed, or confused pet. If you have a rectal thermometer and can check safely, stop active home cooling when the temperature is near the normal range or when your veterinary team tells you to stop, then continue to the clinic.
5. Assuming Shade and a Water Bowl Are Enough Outdoors
Shade and water help, but they do not make extreme heat safe. A yard, balcony, patio, garage, carrier, or outdoor enclosure can become dangerous when the air is hot, humid, and still. Bring pets indoors during extreme heat whenever possible, especially cats, flat-faced dogs and cats, senior pets, kittens, puppies, and pets with medical conditions.
For cats, set up cool resting areas, close sunny curtains during peak heat, use fans to improve airflow, and keep water bowls clean and easy to reach. For a broader home setup, see these ideas to keep cats cool in summer.
6. Waiting Until a Pet Is Thirsty to Think About Hydration
Fresh water should be available before a pet acts thirsty. Add extra bowls in warm weather, clean them daily, and watch for sudden changes in drinking. Cats that eat wet food may drink less from the bowl than cats that eat dry food, so trends matter more than one exact number. This guide to how much water cats usually need can help you notice what is normal for your cat.
Do not treat sports drinks, alcohol, caffeine, salt tablets, or human supplements as heatstroke remedies for pets. Plain water and a cooler environment are prevention tools. Suspected heatstroke is an emergency-care problem.
7. Forgetting That Indoor Pets Can Overheat Too
Indoor pets can overheat when air conditioning fails, windows stay closed in direct sun, a carrier sits in a hot room, or a pet gets trapped in a closet, garage, shed, or clothes dryer. Check resting areas during heatwaves, especially if you will be away from home.
Leave pets with airflow, water, and access to the coolest safe room. If you rely on air conditioning, have a backup plan for outages. Ask a neighbor, sitter, or family member to check pets during long workdays or severe weather alerts.
What to Do Right Now if Heatstroke Is Possible
For a person: call 911, move them to a cooler place, remove extra clothing, cool quickly with cold water, wet skin, fans, ice packs, or an ice bath if available, and stay with them until help arrives.
For a pet: call an emergency veterinarian, move the pet to shade or air conditioning, wet the body with cool water, use a fan or car air conditioning, offer small amounts of cool water only if the pet is alert and able to swallow normally, and go to the veterinary hospital. Do not wait to see whether the pet “sleeps it off.”
The safest heatwave plan is simple: keep pets out of cars, avoid midday exercise, protect paws, provide cool indoor spaces, and act fast when warning signs appear.