☀️ Dog · Health

Heatstroke in dogs

Dogs don't sweat like we do; they cool down mainly by panting. When that isn't enough in hot weather, heatstroke can become a life-threatening emergency within minutes.

✍️ CanlıDostum Editorial Team📅 October 22, 2026⏱️ 3 min read

⚡ In short

  • Heatstroke is an emergency: start cooling and go to a vet.
  • Use cool or lukewarm water, not ice.
  • Flat-faced breeds and senior, overweight or heart-disease dogs are most at risk.
  • Never leave a dog in a hot car — even for a few minutes.

Signs of heatstroke

  • Heavy, fast panting; breathing difficulty
  • Dark red or purple gums and tongue
  • Heavy drooling
  • Weakness, wobbling, collapse
  • Vomiting and diarrhoea (sometimes bloody)
  • Tremors, seizures, confusion
🚨Start first aid and call the nearest vet. Organ damage can show hours later even if your dog seems better — always get a check-up.

First aid

  1. Move your dog to shade or a cool place.
  2. Wet the body — belly, armpits and paws — with cool or lukewarm water. No ice.
  3. Use a fan or air conditioning.
  4. If conscious, offer small sips of water; don't force it.
  5. Don't leave a wet towel lying on the dog; it can trap heat.
  6. Keep cooling on the way to the vet.
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Who is most at risk?

  • Flat-faced breeds: French Bulldog, Pug, Bulldog, Boxer, Shih Tzu — see the French Bulldog page
  • Thick-coated breeds: Husky, Chow Chow, Kangal
  • Puppies and seniors
  • Overweight dogs and those with heart or breathing disease

Prevention

  • Hot cars: temperatures rise to dangerous levels within minutes; an open window is not enough.
  • Walk early in the morning and late in the evening.
  • Pavement test: if you can't hold the back of your hand on it for 5 seconds, it's too hot for paws.
  • Always provide shade and water.
  • Shorten intense play in the heat; don't shave double coats.

Frequently asked questions

What do I do if my dog has heatstroke?

Move it to shade, wet it with cool or lukewarm water, use a fan and go to the vet now. No ice.

How long can I leave my dog in the car?

On a warm or sunny day, not at all. Car temperatures rise to dangerous levels within minutes.

Which breeds are most sensitive to heat?

Flat-faced breeds like French Bulldogs, Pugs and Bulldogs, and thick-coated breeds.

⚠️This article is for general information and does not replace an examination or advice from a veterinarian. If you suspect a health problem, contact your vet.

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