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First aid

Heatstroke: dog first aid

Use this when your dog is overheated after hot weather, exercise or a hot car and is panting hard, weak, confused or collapsing.

Get your dog to a vet as soon as you can

Find an emergency vet

What to do

  1. Move your dog out of the heat into shade or a cool room right away.
  2. Run the coldest water you have from a tap or hose over the body, especially the belly and other thin-haired areas, so it soaks to the skin. Keep water away from the nose and mouth.
  3. Use a fan or open windows to make a breeze.
  4. Offer cool water to drink if your dog is alert, but don't force it.
  5. Call your vet to say you're coming.
  6. Without a thermometer, keep cooling for about 15 minutes before you leave. With a rectal thermometer, stop active cooling at about 104°F (40°C).
  7. If your dog breathes noisily (snoring or rasping), keep cooling until the panting clearly eases or it reaches 101.5°F (38.6°C), whichever comes first.
  8. Pat your dog dry and drive to the vet in a cool, well-aired car.

Don't

  • Don't delay cooling to look for cool water. The coldest running water you have is fine.
  • Don't cover your dog with a wet towel or cuddle it. It can trap heat.
  • Don't wait to see if your dog gets better.

Signs

  • Heavy panting or noisy breathing
  • Drooling
  • Red gums and tongue
  • Weakness or low energy
  • Vomiting or diarrhea
  • Confusion
  • Collapse
  • Seizures

Why

Heatstroke is life-threatening. The faster a dog is cooled, the better its chance of a full recovery, so cool first, then go to the vet.

Sources

Guide reviewed 9 October 2026.

General information from the sources above, not a diagnosis. When in doubt, call your vet.