Heatstroke in dogs is a serious condition that can be life-threatening if not treated promptly. Some signs of heatstroke in dogs include excessive panting, drooling, rapid heartbeat, red gums, vomiting, diarrhea, and weakness. If you suspect your dog has heatstroke, it's crucial to act quickly. Move your dog to a cool, shaded area immediately. Offer your dog small amounts of water to drink and use cool (not cold) water to wet your dog's fur, especially the paw pads and belly. Do not use ice-cold water as it can constrict blood vessels and make it harder for your dog to cool down. Contact your veterinarian or an emergency clinic right away for further instructions and treatment. It's important to gradually lower your dog's body temperature and not overcool them. Prevention is key, so avoid exercising your dog in hot weather, provide plenty of water and shade, and never leave your dog in a parked car, even with the windows cracked.

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Topics covered in this question:

Dog Care Emergency Care Pet Health Heatstroke Heat Safety