Pet Toxin Reference

Caffeine

Severe
Dogs, Cats
Often within 1-4 hours
Methylxanthines (caffeine)
Act now: Remove access immediately. Save the package, label, or plant photo. Call your veterinarian or a poison service right away; do not wait for symptoms. Go to an emergency clinic immediately if any signs are present or if a large/known exposure occurred.
Related Toxins
Chocolate Cocoa Mulch

Quick Facts

Common Sources
Coffee beans, grounds, tea bags, caffeine tablets, pre-workout powder, energy drinks
Highest Risk
Concentrated forms or large ingestions pose highest risk
Category
Food
Early Signs
Restlessness, panting, vomiting, increased thirst
Emergency Signs
Fast heart rate, abnormal rhythms, tremors, seizures
Call Your Vet
Call as soon as exposure is suspected, even if your pet seems normal.

Triage & Next Steps

Why this is dangerous
Caffeine overstimulates the nervous system and heart. Coffee grounds and caffeine pills can be far more dangerous than a few sips of coffee.
Go to ER immediately if
Go now for collapse, repeated vomiting, tremors, seizures, trouble breathing, marked weakness, severe drooling, pale gums, trouble urinating, or any rapidly worsening signs.
What not to do
Do not induce vomiting, give milk/oil/bread, or try home remedies unless a veterinarian specifically tells you to.
Prevention
Keep human foods out of reach, use closed trash bins, warn guests and children, and check ingredient labels before sharing any treat.

This tool provides rapid educational guidance and is not a substitute for direct veterinary advice. If exposure is suspected, contact your veterinarian or an emergency clinic promptly.

Reviewed by
Andrew Rocco, DVM

Dr. Rocco is a practicing small animal veterinarian with experience in emergency and urgent care medicine. PetToxin.com was built to give pet owners clear, evidence-based information about common toxin exposures.