Dog owners are being urged to take extra care this autumn after a pet insurance expert revealed that many seasonal foods commonly found in UK homes can be toxic to pets.
Tom Sadler, Managing Director at Pet Insurance Deals, warned that emergency vet visits for food-related poisoning often rise in the colder months, when households are stocked with autumn produce and festive treats.
“Many of the foods we enjoy at this time of year can cause serious health issues for dogs if ingested,” Sadler said. “Owners need to be especially vigilant as even small amounts can have dangerous consequences.”
Among the biggest culprits are grapes and raisins, which can lead to kidney failure. “We still don’t know exactly which substance causes the toxicity, but tartaric acid may be to blame,” Sadler explained. “Some dogs are extremely sensitive; symptoms can include vomiting, lethargy, and loss of appetite.”
Onions, garlic and leeks are also considered highly toxic. Containing thiosulfinate compounds, these vegetables can damage red blood cells and trigger anaemia. With autumn soups and stews often featuring these ingredients, Sadler warned against letting dogs access scraps or leftovers.
Nuts, another seasonal favourite, pose further risks. Walnuts and pecans can harbour tremorgenic mycotoxins linked to seizures, while macadamia nuts may cause weakness, vomiting and overheating. High-fat nuts can also trigger pancreatitis, a painful inflammation of the pancreas.
Seasonal celebrations such as Halloween add further hazards. Many sugar-free sweets contain xylitol, an artificial sweetener that can cause a rapid insulin release, leading to dangerously low blood sugar, seizures, liver failure or even death.
Meanwhile, chocolate and cocoa products remain among the most well-known dangers. “The darker the chocolate, the more toxic it is to dogs,” Sadler said. “Even small amounts can cause vomiting, diarrhoea and a racing heartbeat, while severe cases can lead to seizures or death.”
Sadler urged pet owners to act quickly if they suspect their dog has eaten something dangerous. “The quicker you get help, the better the outcome usually is. Take packaging or a sample of what was eaten to your vet to help with treatment.”
He also highlighted the importance of having insurance that covers emergency care, as vet bills for toxicity cases can run into thousands of pounds.
“Knowing your dog’s normal behaviour is vital,” Sadler added. “If something seems off, don’t wait. Quick action can save lives.”
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