How to spot the signs of heatstroke in dogs
Lethargic, unresponsive behaviour, bloodshot eyes, a red tongue, excessive panting and drooling are all signs that your dog is overheating. Dogs do not sweat through their skin, but only through the pads of their feet. Panting releases heat through the evaporation of moisture (saliva) from their extended tongues.
Dog heatstroke symptoms
Always seek professional veterinary advice if your dog is displaying the following symptoms during a warm spell or a period of overexertion:
- Bloodshot eyes
- Excessive panting
- Increased heart rate
- Very red or very pale gums and tongue
Why do dogs get diarrhoea in hot weather?
Dogs can develop diarrhoea or soft stools from the stress of overheating during extreme weather such as heatwaves. This is known as stress-related colitis, an inflammation of the colon. Human suffers of IBS might also find it gets worse during hot weather for similar reasons.
Which dogs are most at risk?
Most dogs begin to show signs of overheating at temperatures of 27C and above but some are more susceptible. The short noses and flat faces of brachycephalic (snub-nosed) breeds like bulldogs, pugs and Pekingese inhibit efficient panting, and thus cooling. Breeds with undercoats, like German shepherds, Pomeranians and huskies are also more prone to overheating. Small dogs overheat quicker than large ones, with older, overweight dogs more at risk.
How to cool down a dog in hot weather
In the heat, think feet. Cooling your dog’s paws is always a good starting point. Take them paddling or set up a tub of water they can stand in. If you spray them with water make sure it gets under the belly, between the legs and under the tail (where the major blood vessels are located), not just on their back.
Wrap them up in, or let them lie on wet towels but cool them gradually with cool, not cold, water to avoid causing shock. Some pet shops sell gel-filled cooling mats for indoor cooling without a watery mess.
If you have a hot house, for example rooms with large, south-facing windows or a conservatory, make sure you take steps to keep your house cool and that there's a shady spot for your dog to rest. Keeping the curtains closed in certain rooms during the day will help.
Never leave dogs alone in parked cars
Not even for a few minutes with the windows open. You might get delayed and car interiors can soar to dangerously high – even fatal – temperatures in minutes. When left in the sun for an hour a car's interior can easily reach 47C/116F. It’s not illegal to leave dogs in parked cars but owners will be prosecuted if an animal is seen to be suffering. When driving, leave windows slightly open or use the air-conditioning.
"If you need to drive somewhere, either leave your dog at home in a part of the house where it's cool, or tale them out of the vehicle with you when you exit it yourself. Do not ever leave them in a hot car - even if it doesn't feel too hot it can be," says Paul Houlden, founder of Animal Rescue Foundation.
What if you see a dog in a hot car?
Call 999 if you see a dog in a hot car. If you have a blanket or towel to hand you can drape it over the windows facing the sun to help cool it down before the police arrive to break in.
Find out about travelling in the car with your dog
Best times to walk a dog in hot weather
In hot weather it’s time to ease back on the exercise, and maybe manage your dog’s exertions by keeping him on a lead. Before 8am and after 7pm are best for walkies; no self-respecting wolf would go out hunting in the mid-day sun. Vetsnow recommend caution when walking a dog at 20-23C, and extreme caution at 24-27C, with an 8/10 risk rating. Anything higher has a very high risk of being life threatening. If you live in a flat with no garden and need to take your dog out during the day for toileting keep it brief and walk on the shady side of the street.
Hot pavements, road surfaces and sand can seriously burn a dog’s pads. If you can’t hold your palm on a pavement for 15 seconds it’s too hot. Doggie boots can be a pad-saving accessory for city-dwelling mutts in the summertime.
Provide plenty of fresh, clean water
It’s painfully obvious but especially important. Plastic bottles with attached drinking trays, available from pet shops, are great for walks and car journeys. Plop a few ice cubes into the water bowl at home. In hot weather water and found should be changed regularly.
Can you feed a dog ice cubes in hot weather?
Ice cubes can be a cooling treat during a heatwave, and you can even freeze low-salt beef or chicken broth in ice-cube trays for a treat, but give them only a few at a time, as too many ice cubes at once can shock the system.
Give your dog a trim
Longhaired breeds might benefit from a summer trim but never cut the fur shorter than one inch as this will increase the chances of sunburn. Double coated dogs such as huskies and collies can have their undercoat thinned with a deshedding tool such as a Furminator. It's important not to cut their guard hairs (the rough, weatherproof outer coat many working breeds have) as they grow back much slower than the undercoat and it could actually cause the dog to overheat.
Bring dogs indoors
Even outside dogs should spend the hottest time of day indoors. "A spot that is cool and well-ventilated will suit your dog find in hot temperatures, as it gives them shade and protection from the incessant heat given off by the sun," says Houlden.
Let dogs dig
When they are outdoors, provide a shady spot and a space for them to dig. Dogs dig dens to stay cool in, so don't be surprised to see them digging a shallow pit in flower beds or herb gardens.
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