What happens if a dog eats Peanut Butter Cups?

If a dog eats Peanut Butter Cups, they may experience: Chocolate toxicity: theobromine poisoning. High sugar: digestive upset, obesity.

Not Safe

Not SafeVet ReviewedReviewed by Dr Alex Crow BVetMed MRCVSsweet

Not Safe for Dogs

Key warning: all parts — chocolate coating with peanut butter

Can Dogs Eat Peanut Butter Cups? No — Contains Chocolate

This food is NOT safe for dogs. Keep it away from your pet.

Peanut butter cups like Reese's are toxic to dogs. They contain chocolate and high sugar — both harmful.

Search another food

Warning Signs & Symptoms

Chocolate toxicity: theobromine poisoning. High sugar: digestive upset, obesity.

If Your Dog Ate This

Call vet or ASPCA Poison Control 888-426-4435 immediately. Note number consumed and dog weight.

What to Avoid

all parts — chocolate coating with peanut butter

Preparation & Serving

Keep all peanut butter cups away from dogs. The chocolate makes them toxic regardless of other ingredients.

Safer Alternatives

Plain xylitol-free peanut butter on a lick mat as a safe alternative

Did you know?

Reese's peanut butter cups are the most commonly ingested brand-name chocolate product by dogs in the US — their appealing peanut butter smell attracts dogs to seek them out.

Portions & nutrition

Toxic dose (per kg body weight): Theobromine in chocolate coating — small dogs face serious risk from even one cup
Calories (per 100g): 515
Safe frequency: Never

Source

Source: AKC

What You Need to Know

The combination of chocolate and peanut butter seems dog-friendly but the chocolate makes it toxic. Never share candy containing chocolate regardless of other ingredients.

Peanut Butter Cups Variations

Peanut Butter Cups for DogsNot Safe

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

Want to know what other dangers are hiding in your home?

Take the 60-second kitchen safety assessment to find out your dog's risk score.

Take the safety assessment

If Your Dog Ate This — Act Now

Related guides & hubs

Browse the food databaseSearch foods and browse categories Browse all dog health guidesNutrition, safety, insurance, and more Emergency guide: what to do nextStep-by-step actions for the next 60 minutes Dangerous foods dogs cannot eatA complete toxic foods list Best online vet servicesTelehealth options when you need answers fast

Frequently asked questions

Is Peanut Butter Cups safe for dogs?: No, Peanut Butter Cups is not safe for dogs. Peanut butter cups like Reese's are toxic to dogs. They contain chocolate and high sugar — both harmful.
What happens if a dog eats Peanut Butter Cups?: If a dog eats Peanut Butter Cups, they may experience: Chocolate toxicity: theobromine poisoning. High sugar: digestive upset, obesity.
How much Peanut Butter Cups can a dog eat?: The combination of chocolate and peanut butter seems dog-friendly but the chocolate makes it toxic. Never share candy containing chocolate regardless of other ingredients.

Stay in the loop

Get new food safety guides, vet tips, and alerts delivered to your inbox.

Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.