Can Dogs Eat Coffee?

NoEmergency risk
Verdict for dogs: Toxic · Evidence: H · Last verified: 2026-11-01 (seed data — veterinary review pending)

No. Coffee is toxic to dogs. It contains caffeine. There is no amount we can call safe, so it should stay off the menu. If your dog has already eaten some, contact your veterinarian or a pet poison hotline right away.

Your dog already ate some?
Don't wait for symptoms. Call your veterinarian now, or a pet poison hotline:
ASPCA Animal Poison Control (US): (888) 426-4435 (a fee may apply) · Pet Poison Helpline (US/CA): (855) 764-7661 (a fee applies)

Why it is toxic

caffeine

Which parts are the problem?

grounds and beans are the most concentrated form

Dose & exposure rules

Mild signs at about 20-40 mg caffeine/kg; severe above 100 mg/kg

If it must be on the menu: safe preparation

None

Symptoms to watch for

restlessnessrapid breathingtremorsheart arrhythmiafever

30-60 min

What to do now

Emergency; no antidote — veterinary supportive care

✔ Reviewed against Merck Vet Manual · Pet Poison Helpline. Veterinary review pending — this page will carry a named, licensed veterinarian's sign-off after review (see team and editorial policy). General information only, not veterinary advice.

FAQ

How much coffee can a dog eat?

Mild signs at about 20-40 mg caffeine/kg; severe above 100 mg/kg

What are the signs of coffee problems in dogs?

Watch for: restlessness; rapid breathing; tremors; heart arrhythmia; fever. 30-60 min

What should I do if my dog ate coffee?

Emergency; no antidote — veterinary supportive care

Related:

Can cats eat coffee?

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