How long does it take for a dog to die from heat stroke? How many hours does it take for a dog to die from heat stroke?

Jul 26,2025
3Min

Dogs will die from heatstroke within 2 hours

Once heatstroke lasts for more than 2 hours without treatment, the mortality rate is over 90%. Heatstroke in dogs is very serious, very, very, very serious. Once you find a fever, you must take cold water to cool it down. Don’t let it die for your own reasons! Go to the hospital for rehydration as soon as the temperature cools down! Don’t ignore heatstroke!< br />

Symptoms of heat stroke in dogs

Dogs suffering from heat stroke will generally experience a temperature increase of more than 40°C, loss of appetite, lack of energy, slow reaction, accelerated panting frequency, rapid breathing, and accelerated heartbeat.
At this time, the dog's entire body, including its head, is more likely to be on the ground, its expression is not relaxed, and its eyes show a sense of pain. Unsteady steps, stretched neck, foaming at the mouth, coma, or even shock are symptoms of severe heat stroke, which is life-threatening and requires immediate medical attention.

Causes of heatstroke in dogs

1. Sun exposure after bathing

Although the act of drying hair can quickly remove the moisture from the hair, It is also easy for dogs to get heat stroke. If the time is too long, the dog will be sunburned to death.

2. Exercise strenuously under the scorching sun

When the weather is hot, do not let your dog exercise strenuously. Dogs who exercise strenuously are also prone to heatstroke.

3. Leave the dog alone in the car

The temperature inside the car is more than ten degrees higher than that outside the car, and the dog cannot dissipate heat in time, which can easily lead to the death of the dog from heatstroke.
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