Not veterinary advice. This page is general information from published sources, not a diagnosis. If your dog ate something toxic, call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 right now (a fee may apply).

Pantry & Other

Can dogs eat coffee?

Toxic — do not feed
No, coffee is toxic to dogs because of its caffeine content.

Why

Coffee contains caffeine, a methylxanthine that dogs metabolize far more slowly than humans. Coffee grounds and beans hold especially high caffeine concentrations and can cause serious poisoning. Signs can begin within one to two hours of ingestion and last 12 to 36 hours.

Warning signs to watch for

Vomiting, diarrhea, panting, excessive thirst and urination, hyperactivity, abnormal heart rhythm, tremors, seizures, and in severe cases death.

Frequently asked questions

Can dogs eat coffee?
No, coffee is toxic to dogs because of its caffeine content. Coffee contains caffeine, a methylxanthine that dogs metabolize far more slowly than humans. Coffee grounds and beans hold especially high caffeine concentrations and can cause serious poisoning. Signs can begin within one to two hours of ingestion and last 12 to 36 hours.
What are the symptoms if a dog eats too much coffee?
Vomiting, diarrhea, panting, excessive thirst and urination, hyperactivity, abnormal heart rhythm, tremors, seizures, and in severe cases death.
What should I do if my dog ate something toxic?
Call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 right away (a consultation fee may apply). Have the food, the amount, and your dog's weight ready. Do not induce vomiting without professional guidance.

Source & last checked

  • Safety rating from AKC
  • Last checked: 2026-07-20
  • Every dog is different — size, age, allergies, and health conditions matter. When in doubt, ask your veterinarian before introducing a new food.