Halloween and Dogs 2026: Here are the five hidden doggy dangers of spooky season
Dog owners should look out for these potential Halloween hazards.
Halloween takes place this weekend and veterinary experts are warning dog owners about the hidden dangers of popular traditions, from toxic sweets and decorations to costumes and trick-or-treaters.
While many owners know that chocolate is dangerous for dogs, other common Halloween treats, including sugar-free sweets and home-baked goods, can also pose serious health risks.
Meanwhile, seemingly harmless decorations and unfamiliar visitors could leave pets at risk of injury or feeling frightened and overwhelmed.
To help out, Dr Shula Berg, Clinical Director at CVS Vets, has revealed five key Halloween hazards owners should be aware of and shares her advice for keeping dogs safe and comfortable throughout the celebrations.
Here’s what you need to know.
Keep Halloween sweets out of reach
While chocolate is widely recognised as toxic to dogs, many owners may be unaware that other popular Halloween treats can be equally dangerous.
Low-sugar sweets and chewing gum often contain xylitol, which is extremely toxic to dogs causing dangerously low blood sugar, seizures and even liver failure. Home-baking may seem safer but anything containing raisins is also a no-go as these are damaging to the kidneys. Even sweets that contain “safe” ingredients can be a choking hazard, so I recommend pets avoid Halloween treats altogether.
If a dog does manage to eat something potentially harmful, Shula advises owners to act promptly and seek veterinary advice. “If you think your dog has eaten something toxic you should seek advice now, it's best to seek advice as soon as possible, rather than waiting for symptoms to develop, to ensure they receive the appropriate care. Sometimes we can give medication to make your dog throw up anything they have swallowed.
Watch out for hidden dangers in Halloween decorations
From fake cobwebs to hanging decorations, Halloween displays can introduce unexpected hazards into the home, particularly for curious dogs who enjoy chewing unfamiliar objects.
Decorating the house for Halloween can be fun but do be mindful of your pets – anything that can be chewed or swallowed could pose a risk of causing bowel obstruction. This is especially worrying with things like fake spider web that can become tangled up inside causing a lot of damage. Don’t let pets play with decorations and keep them out of reach.
Don't force your dog to wear a Halloween costume
With pet costumes becoming a popular part of Halloween celebrations, owners are being reminded that not every dog will feel comfortable dressing up. While some dogs may tolerate wearing costumes, others can display subtle signs of discomfort that owners might overlook.
Pawing or scratching at a costume are clear signs your pet isn’t happy, but yawning, licking the lips, avoiding eye contact and turning the head away are also common signs that your dog is uncomfortable or stressed.
Always make sure costumes fit properly – you should be able to fit two fingers easily under the neck or any leg holes – and be mindful your pet doesn’t overheat especially if indoors.
Recognise the signs that trick-or-treaters are causing stress
Halloween can be particularly unsettling for dogs that are sensitive to unfamiliar visitors, loud noises or changes in routine.
Some dogs are very affected by changes in routine, so strange noises and lots of knocks on the door can really unsettle them. Try to keep routines normal where possible, such as walks and meal times, and make sure your dog has a safe space to hide if needed.
Owners should also be aware that signs of anxiety aren't always obvious, with some dogs displaying subtle changes in body language rather than barking or hiding.
A dog who is scared or overwhelmed may yawn or lick their lips, avoid eye contact, and hold their ears back against the head. They might wag, but if the tail is low and the movements are short and jerky it suggests distress rather than happiness. You might notice their tail is tucked between their legs, they lean away or sit tucked up to make themselves smaller.
Create a safe and calm environment for your dog
For dogs that are particularly sensitive to noise or unfamiliar visitors, preparing the home ahead of Halloween can help reduce unnecessary stress.
Pets thrive on routine so to keep them feeling safe try to keep as many things as normal as possible. If they are scared of noise outside, create a safe space that they can hide in if they choose, such as a dog crate covered in a thick blanket, and have the TV or radio on. If your pets are worried by Halloween I’d recommend staying at home rather than leaving them alone.
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