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Never leave your dog alone in a car on a warm day. If you see a dog in distress in a hot car, dial 999.
Many people still believe that it's ok to leave a dog in a car on a warm day if the windows are left open or they're parked in the shade, but the truth is, it's still a very dangerous situation for the dog.
A car can become as hot as an oven very quickly, even when it doesn't feel that warm. When it's 22 degrees, in a car it can reach an unbearable 47 degrees within the hour.
Perhaps this happens because many owners don’t really understand what happens to a dog’s body in overheating and heatstroke. If a dog’s internal temperature goes above 41°C (105.8°F) it is at risk of heatstroke, which only 50% of dogs survive. Some breeds are more susceptible than others—large dogs, dogs with short faces such as bulldogs and boxers, and overweight or long-coated dogs are most at risk—but every dog has the potential to suffer from heatstroke. It doesn’t have to be boiling hot for this to happen either—when it’s 22°C, (71.6°F) outside, the inside of a car can easily reach 47°C within an hour(116.6°F).
The science behind heatstrokeWhen a dog starts to overheat, it will lose heat by increasing its heart rate and opening up the capillaries in the skin. It will also pant to lose heat through the mucus membranes in its mouth and nose, and may lick its body to cool it by evaporation.
Unlike humans, dogs cannot sweat. And as the heat increases, bodily functions start to break down. The dog enters a vicious spiral where the heart starts to fail and pushes out less blood—which means the heat cannot be carried away—its blood pressure drops, blood pools in the organs and the body goes into shock.
When a dog’s internal temperature reaches 44°C (111.2°F) its circulation will fail, which causes kidney failure, lack of oxygen in the brain, and internal bleeding. At this point, even if you can reverse the physical damage and save the dog’s life, it’s likely to have suffered brain damage, which can result in personality changes, loss of sensory perception and cognitive problems. So it’s not just a case of getting a bit too hot and not being able to cope. It’s total body breakdown.
Dealing with dogs in the heatWhether the heat stroke is brought on by being left in a hot place—such as a car, kennel or run in full sunlight—or by being exercised in high temperatures, the effect on the body will be the same.
On hot days, keep your dog cool by making sure they have a shady, well ventilated, secure place with access to water. Walk your dog early in the morning and later at night—avoiding the hottest parts of the day. This will also protect your dogs’ paws from getting burnt on hot pavements. Remember, if its uncomfortable to touch with your hand, it’s too hot for your dog to walk on.
If you see signs of overheating, such as panting or breathing loudly, licking the flanks, walking unsteadily or collapsing, wet a towel and drape it over the dog’s back, or directly wet their back and sides to cool by evaporation.
If your dog does suffer from heatstroke, immediately seek the help of a vet. It is a veterinary emergency. If you see a dog in distress in a car on a hot day, phone the police, who will advise you what to do. And please never, ever leave your dog in a car on a hot day.
Many people still believe that it's ok to leave a dog in a car on a warm day if the windows are left open or they're parked in the shade, but the truth is, it's still a very dangerous situation for the dog.
A car can become as hot as an oven very quickly, even when it doesn't feel that warm. When it's 22 degrees, in a car it can reach an unbearable 47 degrees within the hour.
Perhaps this happens because many owners don’t really understand what happens to a dog’s body in overheating and heatstroke. If a dog’s internal temperature goes above 41°C (105.8°F) it is at risk of heatstroke, which only 50% of dogs survive. Some breeds are more susceptible than others—large dogs, dogs with short faces such as bulldogs and boxers, and overweight or long-coated dogs are most at risk—but every dog has the potential to suffer from heatstroke. It doesn’t have to be boiling hot for this to happen either—when it’s 22°C, (71.6°F) outside, the inside of a car can easily reach 47°C within an hour(116.6°F).
The science behind heatstrokeWhen a dog starts to overheat, it will lose heat by increasing its heart rate and opening up the capillaries in the skin. It will also pant to lose heat through the mucus membranes in its mouth and nose, and may lick its body to cool it by evaporation.
Unlike humans, dogs cannot sweat. And as the heat increases, bodily functions start to break down. The dog enters a vicious spiral where the heart starts to fail and pushes out less blood—which means the heat cannot be carried away—its blood pressure drops, blood pools in the organs and the body goes into shock.
When a dog’s internal temperature reaches 44°C (111.2°F) its circulation will fail, which causes kidney failure, lack of oxygen in the brain, and internal bleeding. At this point, even if you can reverse the physical damage and save the dog’s life, it’s likely to have suffered brain damage, which can result in personality changes, loss of sensory perception and cognitive problems. So it’s not just a case of getting a bit too hot and not being able to cope. It’s total body breakdown.
Dealing with dogs in the heatWhether the heat stroke is brought on by being left in a hot place—such as a car, kennel or run in full sunlight—or by being exercised in high temperatures, the effect on the body will be the same.
On hot days, keep your dog cool by making sure they have a shady, well ventilated, secure place with access to water. Walk your dog early in the morning and later at night—avoiding the hottest parts of the day. This will also protect your dogs’ paws from getting burnt on hot pavements. Remember, if its uncomfortable to touch with your hand, it’s too hot for your dog to walk on.
If you see signs of overheating, such as panting or breathing loudly, licking the flanks, walking unsteadily or collapsing, wet a towel and drape it over the dog’s back, or directly wet their back and sides to cool by evaporation.
If your dog does suffer from heatstroke, immediately seek the help of a vet. It is a veterinary emergency. If you see a dog in distress in a car on a hot day, phone the police, who will advise you what to do. And please never, ever leave your dog in a car on a hot day.