Halloween dog dangers: candy, chocolate & costumes
Halloween is peak season for dogs grabbing candy bowls, chocolate, sugar-free gum, and costume leftovers. Use this list to jump to the right PawPanic page, or open the triage calculator with your dog's weight.
Not veterinary advice. Every linked page cites at least two authoritative sources (ASPCA, Merck Veterinary Manual, Pet Poison Helpline, VCA, and similar). When sources disagree, we use the more cautious rating.
Highest-priority Halloween risks
- Milk chocolate DOSE โ Most common Halloween candy chocolate; risk depends on dose and dog size.
- Dark / semisweet chocolate DOSE โ Higher theobromine than milk chocolate โ check the calculator.
- Unsweetened baking chocolate DOSE โ Very concentrated; small amounts can be dangerous.
- White chocolate DOSE โ Low theobromine, but still use the calculator for large amounts.
- Xylitol (sugar-free gum/candy/peanut butter) RED โ Sugar-free gum/candy can drop blood sugar fast โ any amount is an emergency.
- Chewing gum RED โ Many gums hide xylitol; treat unknown gum as an emergency.
- Sugar-free baked goods, gummies & vitamins RED โ Sugar-free candy, baked goods, and gummies often contain xylitol.
- Grapes RED โ Any amount can risk kidney injury.
- Raisins / sultanas RED โ Raisins in trail mix or baking โ same emergency as grapes.
- Chocolate-covered raisins / trail mix RED โ Chocolate plus raisins: treat as an emergency.
- Glow sticks / glow jewelry GREEN โ Usually a mouth irritant from the liquid; call your vet if chewed.
- Makeup (lipstick, mascara, foundation) GREEN โ Costume makeup/lipstick โ usually low risk but watch amount.
- Plastic bags, wrappers & foil YELLOW โ Candy wrappers and foil can cause a blockage.
Quick FAQ
What if my dog ate Halloween candy and I don't know what was in it?
Assume the worst: chocolate and/or xylitol until you know otherwise. Call a poison hotline or emergency vet with packaging if you have it, or use the calculator for known amounts.
Is candy corn dangerous for dogs?
Plain candy corn is mostly sugar and usually not a poisoning emergency, but large amounts can upset the stomach, and sugar-free versions may contain xylitol โ check the label and see xylitol or sugar-free items.
Who should I call?
ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661 (24/7; fees may apply), or your nearest emergency vet.
๐พ Seasonal dog-danger alerts, 2x a month
Short, sourced heads-ups before the risky seasons (Halloween candy, holiday foods, spring bulbs, summer heat). Free, no spam, unsubscribe anytime.
Not veterinary advice. Emergencies: call your vet or a poison hotline โ don't wait for email. About the newsletter