Wellbeing
Halloween safety tips for pets

The short answer
Halloween is safest for pets when treats are out of paw’s reach and the house is calm. Store sweets and chocolate in a high cupboard, use battery-powered tealights instead of candles, keep cats indoors, and give your pets a quiet room away from the front door. Don’t force your pet to wear a Halloween costume, as it can restrict movement and stress them out.
5 ways to keep your pet safe this Halloween
Halloween is great fun for us, but for pets it can be a confusing, stressful evening full of strange smells, spooky costumes, and a doorbell that won't stop ringing. A little preparation goes a long way, so here are the main things to watch out for.
1) Keep chocolate and sweets out of reach
Chocolate is toxic to both dogs and cats, and Halloween is one of the highest-risk times of year simply because there's so much of it around the house. Bowls by the front door, kids' trick-or-treat hauls, and mini bars in coat pockets are all within easy reach of a determined pet.
Sugar-free sweets are a hidden danger too. Many contain xylitol (sometimes listed as birch sugar or E967), a sweetener that's highly toxic to dogs even in small amounts. Sweet wrappers can also cause blockages if swallowed.
The simple fix: store all Halloween treats somewhere pets genuinely can't reach and ask children to keep their sweets zipped in a bag.
2) Think twice about pet costumes
A pumpkin bandana photo is hard to resist, but pets can’t tell us if they mind wearing a costume. If you do dress your pet up for Halloween, keep it simple:
Make sure it doesn't restrict movement, sight, hearing, or breathing
Avoid anything with small parts, buttons, or dangling pieces they could chew and swallow
Never leave a pet unsupervised in a costume
Watch their body language for flattened ears, tucked tail, freezing, or trying to paw the outfit off. These all mean one thing - take it off!
If your pet hates their Halloween costume, you could switch out their regular collar for a spooky-themed one, or leave them as they are. They'll be just as cute in the photos!
3) Watch the Halloween decorations
Here’s what to check before you put anything up:
Candles and lit pumpkins: a curious nose or a swishing tail can knock them over in seconds. Use battery-powered tealights instead.
Pumpkins and sweetcorn displays: not toxic, but eating large amounts of raw pumpkin can upset stomachs, and corn cobs can cause serious blockages in dogs.
Fake cobwebs, streamers, and hanging decorations: tempting to chew, and a swallowing or tangling hazard, especially for cats and kittens.
Glow sticks and glow jewellery: the liquid inside isn't usually highly toxic, but it tastes foul and causes drooling and distress if a pet bites one. Keep them out of reach.
Electrical cables for light displays: tuck them away from chewers, just as you would at Christmas.
4) Plan for trick-or-treaters
The repeated doorbell rings, unfamiliar voices, and people in strange costumes can be stressful for pets - and an open front door is a chance to slip out!
Set your pet up in a quiet room away from the front door with their bed, water, a favourite toy, and something to mask the noise like the TV or radio
Consider sitting outside or leaving the sweet bowl on the doorstep so the bell doesn't ring at all
Check your pet's microchip details are up to date and they’re wearing a collar tag, just in case they slip out
Never force nervous pets to "say hello" to visitors in costume
The techniques that keep pets calm during fireworks can also work on Halloween night (like building a safe den to settle an anxious pet). The earlier you can prepare your pet for the event, the better.
5) Keep cats indoors on the night
Halloween night is a good time to keep all cats inside due to more people on the streets, more traffic, more noise, and more open doors than usual. Bring cats in before dark and provide a litter tray and somewhere to relax for the evening.
Halloween pet safety FAQs
Are Halloween sweets bad for dogs?
Yes, chocolate is toxic to dogs as well as cats. Sugar-free sweets can also contain xylitol, which is highly toxic to pets even in small amounts. Keep all sweets well out of reach.
What should I do if my pet eats chocolate or sweets?
If your pet eats something they shouldn't, don't wait for symptoms to appear. Call your vet straight away with details of what they ate, how much, and when. Outside normal hours, you can also call the Animal PoisonLine on 01202 509000 for advice, though a fee applies.
Is pumpkin safe for pets to eat?
Pumpkin isn’t toxic to dogs or cats, but eating a lot of it can upset their tummy. Corn cobs from autumn displays are the bigger worry as they can cause blockages in dogs.
Should I put my pet in a Halloween costume?
Only if there are no signs they’re uncomfortable with it. Make sure it doesn’t restrict their movement, sight, hearing or breathing, never leave them alone in it, and take it off straight away if they freeze or try to paw it off.
Should I keep my cat indoors at Halloween?
Yes, it’s safest to bring all cats in before dark as there’s more traffic, noise and open doors than usual. Sadly, black cats can also attract unwanted attention because of old superstitions, so keep them in with a litter tray and somewhere quiet to settle.