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Can dogs eat chocolate? No — why, and what to do

Unsafe

Quick answer: No — chocolate is not safe for dogs and should never be given.

Quick verdict

Unsafe

Key risk

Theobromine and caffeine can cause vomiting, seizures, heart problems and can be fatal; darker chocolate is more dangerous.

Why

Chocolate is poisonous to dogs and should never be given.

Can dogs eat chocolate, and why?

Chocolate is poisonous to dogs and should never be given. Theobromine and caffeine can cause vomiting, seizures, heart problems and can be fatal; darker chocolate is more dangerous.

Dogs are omnivores, so most of their diet should be a complete, balanced dog food, with treats on top. They cope with a wide range of foods, but rich, fatty or sugary ones can cause stomach upset and, over time, weight gain or pancreatitis.

Warning — what to watch for

Theobromine and caffeine can cause vomiting, seizures, heart problems and can be fatal; darker chocolate is more dangerous.

If your dog has eaten chocolate, don’t wait for symptoms — contact your vet immediately, or call the Animal PoisonLine on 01202 509000 (24/7, UK). Signs of a problem can include vomiting, diarrhoea, drooling, lethargy, tremors or loss of appetite.

🚨 Find an emergency vet near you

More foods dogs might eat

Keep chocolate out of reach

If your dog has eaten chocolate, ring your vet — do not wait to see what happens. For preventing a repeat:

Reusable Washable Puppy Training Pad

Reusable Washable Puppy Training Pad

From£7.99

Inflatable Herding Ball with Handles for Dogs

Inflatable Herding Ball with Handles for Dogs

£29.99

Plush Strawberry Snuffle Mat

Plush Strawberry Snuffle Mat

From£13.99

Airtight Pet Food Storage Container

Airtight Pet Food Storage Container

From£10.99

Feeding & nutrition guides

Frequently asked questions

Can dogs eat chocolate?

Unsafe. Chocolate is poisonous to dogs and should never be given.

What happens if my dog eats chocolate?

Theobromine and caffeine can cause vomiting, seizures, heart problems and can be fatal; darker chocolate is more dangerous. If your dog has eaten chocolate, contact your vet or the Animal PoisonLine (01202 509000) straight away — don’t wait for symptoms.

Is chocolate poisonous to dogs?

Unsafe. Chocolate is poisonous to dogs and should never be given.

Free printable: safe & toxic foods for dogs

chocolate is just one food — get the full one-page checklist of what’s safe, fine in moderation, or dangerous for dogs. Vet-sourced, yours to print and keep.

Check chocolate for another pet

Sources

Our verdict on whether dogs can eat chocolate draws on established UK and US veterinary and welfare organisations. Individual pets, quantities and preparation vary — always confirm with your own vet.

General guidance based on established veterinary sources (ASPCA, PDSA, Blue Cross, RSPCA), not a substitute for advice from your vet. If you’re ever unsure, or your pet has eaten something harmful, contact your vet or the Animal PoisonLine on 01202 509000.