Vets Now has reported a sharp increase in dog heatstroke emergencies this summer and is urging owners to perform a simple five-second test before every walk. The test involves pressing the back of a hand against the pavement for five seconds; if it feels too hot to bear, it is too hot for a dog's paws.
Why Dogs Are Vulnerable to Heatstroke
Unlike humans, dogs cannot regulate body temperature through sweating and rely on panting to cool down. This makes them far more susceptible to overheating, which can be fatal depending on the breed. According to Sadie Spencer, Principal Vet at Vets Now, heatstroke can escalate rapidly: a dog can go from happily playing to a life-threatening emergency in minutes.
It is generally safe to walk dogs when temperatures are up to 19°C. Once temperatures exceed this level, the risk of heatstroke increases significantly. The UK's unpredictable weather poses an additional challenge, as dogs need weeks to acclimatise to sudden warm spells.
How to Prevent Heatstroke
Walking dogs during the coolest parts of the day, such as early morning or evening, is the best way to reduce risk. Owners should also avoid leaving dogs in poorly ventilated spaces like cars, even for a few minutes, as heatstroke can occur without physical activity.
Breeds most vulnerable to heatstroke include flat-faced dogs (e.g., bulldogs, pugs, shih tzus), overweight dogs, older dogs, those with existing health conditions, and breeds with thick double coats.
Warning Signs of Heatstroke
Spencer highlighted key symptoms: heavy panting or drooling, vomiting or diarrhoea, unsteady legs, glassy eyes, a racing heart, and excessive thirst. If a dog shows any of these signs, owners should move them to a cool, shaded area, dampen their coat with cool (not ice-cold) water, offer small sips of water, and contact a vet immediately.
“Don’t wait to see if they improve,” Spencer advised. “Start cooling them down and call us on the way – the sooner treatment begins, the better their chances. If you’re ever unsure, get in touch with your vet.”
