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Can dogs have coffee, tea and caffeine? Toxic in larger amounts

Toxic in larger amounts. Coffee grounds, beans, tea bags, energy drinks and caffeine pills can cause a racing heart, tremors and seizures.

If your dog ate or touched this, call your vet or a pet poison line now

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Coffee, tea and caffeine and dogs: key facts

Verdict
Toxic · Emergency: get help now
What it can do
Hyperactivity and restlessness, pacing or excessive vocalizing, vomiting or diarrhea, racing heart rate and increased urination. All 7
How fast
Within a few hours; signs can last up to several days
What to do now
Call your vet or a pet poison line now. All steps
Sources
Pet Poison Helpline, VCA Animal Hospitals, ASPCA Animal Poison Control. Reviewed 9 October 2026.

What should I do if my dog ate coffee, tea and caffeine?

  1. Call your vet or a pet poison line now.
  2. Note what was eaten, roughly how much, and when.
  3. Keep the package or cup so the vet can see the product.
  4. Move your dog away from any grounds, bags or pills.

Don't

  • Don't make your dog vomit unless a vet tells you to.
  • Don't wait for signs to appear before calling.

Symptoms to watch for

  • Hyperactivity and restlessness
  • Pacing or excessive vocalizing
  • Vomiting or diarrhea
  • Racing heart rate
  • Increased urination
  • Tremors
  • Seizures

When signs appear: Within a few hours; signs can last up to several days

Why

Caffeine is a stimulant that overexcites a dog's heart and nervous system. A sip of coffee or tea is unlikely to harm most dogs, but grounds, beans, tea bags, energy products and pills are far more concentrated.

Sources

Guide reviewed 9 October 2026. Page updated 7 November 2026.

General information from the sources above, not a diagnosis. When in doubt, call your vet.