PupkeeperToxicEmergency
Dog ate caffeine pills and energy supplements? What to do
Caffeine pills, diet pills and energy products overstimulate dogs, causing a racing heart, restlessness and pacing. Caffeine pills can kill small dogs.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Keep the packaging and bring it with you.
- Act fast. Early treatment is key.
Don't
- Don't make your dog vomit unless a vet tells you to.
Signs to watch for
- Restlessness and jitters
- Hyperactivity or pacing
- Fast heart rate
- Crying or barking a lot
- Vomiting or stomach upset
- Peeing more
- Big pupils
- Tremors or seizures
When signs appear: Within a few hours; signs can last several days
Why
Caffeine is a stimulant, and dogs are more sensitive to it than people. Guarana is a natural caffeine source whose effects can last longer.
Sources
- VCA Animal Hospitals: Caffeine Toxicity in Pets
- Merck Veterinary Manual: Toxicoses in Animals From Human Dietary and Herbal Supplements
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.