Chocolate is potentially life-threatening to dogs and other animals throughout the year, but more issues crop up around Easter, when chocolate is in high supply. Alexandra Fraser, with the help of veterinary doctor Jessica May, explains how to act quickly if you suspect your pet had been poisoned.
There are few things a dog owner fears more than an empty chocolate wrapper and a smug looking pet. It’s so well known a fact that we don’t really need to dive into the science of it to convince you not to buy your puppy a Colin the caterpillar for his birthday. Dogs and chocolate do not mix.
Nevertheless, it can be reassuring to know that, unlike the utter falsehood that a swan can break an arm, our fears in this are not misplaced.
Chocolate poisoning does not just affect dogs, but cats, rabbits and even birds. Dr Jessica May, lead vet at FirstVet (the video vet service) explained to us exactly what it is about chocolate that makes it poisoness to pets.
‘Chocolate contains a chemical called theobromine, which is found in all cocoa products. Any product containing cocoa can be potentially dangerous to pets and, as a rule of thumb, the higher the cocoa content of a product, the more theobromine it contains and the more toxic it is. This means that dark chocolate presents the biggest health hazard for your animal, regardless of species or breed, while white chocolate is much less toxic.’
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So why does theobromine affect dogs, but not humans? This is when we get into the science of it all.
Humans metabolise theobromine at a much faster rate than animals. ‘Theobromine is metabolised in the liver.’ Says Dr May. ‘The half-life of theobromine in the human body is 2-3 hours. In contrast, the half-life of theobromine in dogs is about 18 hours.’
Unsurprisingly, the smaller the dog, the more dangerous chocolate poisoning is. ‘For a 10 kilogram dog, just 60-70 grams of dark or cooking chocolate could be fatal, so chocolate poisoning is a serious issue for small-dog owners.’
The good news is that, if caught in time, vets can treat chocolate poisoning fairly easily. They’ll administer an anti-toxin absorbent (something like activated charcoal), and if a case is more extreme, they’ll induce vomiting or administer an intravenous drip.
Although prevention is better than cure, Dr May has let us know the top symptoms to look out for: ‘Vomiting and diarrhoea are two of the most obvious symptoms of chocolate poisoning, but you should also look out for any signs of restlessness, excitability, wobbliness, or stomach ache. Chocolate can also make animals drink and salivate more than usual, or cause changes in their heart rate.
‘More severe cases of chocolate poisoning can cause involuntary urination, muscle tremors, and seizures. If your pet is displaying any of these symptoms, it’s best to get them to a vet straight away.’
It’s imperative to keep your chocolate away from your pets throughout the year, but more problems tend to crop up around Easter, where chocolate eggs are prevalent and often low to the ground. If you’re having an Easter egg hunt, keep your dog inside and away from all the excitement.
Dr May leaves us with an acronym to stick to if your believe your pet has been poisoned:
- S – Stop access to any poison. It may seem obvious but stop your pet eating any more of the chocolate.
- P – Phone the vet. Keep your vet’s phone number and their emergency (out of hours) number handy, in case you ever need them.
- E – Emergency appointment. You cannot ‘wait and see’ with poisons, as many do not affect your pet straight away. Some can take several days to cause symptoms, all the while doing damage to the internal organs. Getting your pet seen immediately gives you the best chance for treatment to be effective.
- E – Evidence. Knowing what the potential poison is will really help your vet make a rapid diagnosis and create the best treatment protocol for a successful recovery. If you still have the box of chocolate, then take it with you.
- D – Don’t delay. You cannot afford to wait. Act straight away!
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