No. Coffee contains caffeine, which is poisonous to cats. They are far more sensitive to it than people, and coffee grounds, beans, and brewed coffee can all deliver a harmful dose to a small animal. Even used grounds in the trash are a risk.
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Danger — caffeine is toxic to catsTreat it as a poisoning risk
Can cats eat coffee? ☕
No. Coffee contains caffeine, which is poisonous to cats. They are far more sensitive to it than people, and coffee grounds, beans, and brewed coffee can all deliver a harmful dose to a small animal. Even used grounds in the trash are a risk.
Source-linked record · Last reviewed July 17, 2026 · Not veterinary advice
Why this answer
Coffee's active hazard is caffeine, a methylxanthine closely related to the theobromine in chocolate. Cats metabolize methylxanthines slowly, so caffeine overstimulates the heart and nervous system and builds up. Grounds and beans are especially concentrated, and a cat's small size lowers the dangerous amount.
Watch for
Restlessness, pacing, or hyperactivity
Rapid or irregular heartbeat
Vomiting
Muscle tremors or twitching
Elevated temperature or seizures in serious cases
How much is okay
None — no amount of coffee, espresso, or coffee grounds is safe, and even decaf still contains some caffeine.
Keep it away
Keep mugs of coffee off tables and counters where a cat could lap or knock them.
Seal coffee grounds and beans in closed containers, not open bags.
Empty used grounds into a covered bin so a cat cannot dig them out.
Sources and evidence notes (3)
People Foods to Avoid Feeding Your Pets
ASPCA Animal Poison Control Center — Multi-species veterinary toxicology list covering alcohol, chocolate, caffeine, citrus, coconut, grapes and raisins, macadamia nuts, milk and dairy, nuts, onions, garlic and chives, raw meat and eggs, salty snacks, xylitol, and yeast dough.
Poison List
Pet Poison Helpline — Veterinarian-maintained toxin database for dogs and cats, reachable at (855) 764-7661, with per-substance toxicity levels, signs, and species notes.
Chocolate Toxicosis in Animals
Merck Veterinary Manual — Methylxanthine (theobromine and caffeine) toxicosis mechanism, dose ranges by chocolate type, clinical signs from gastrointestinal upset to arrhythmias and seizures, and treatment.
Answer card
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Remove access. Take the food away and move your cat to another room.
Note the facts. What was it, roughly how much is missing, and when? Keep the packaging.
Call before symptoms. For chocolate, onion, garlic, grapes, raisins, alcohol, or anything sugar-free (xylitol), call a hotline or your veterinarian now — early treatment is easier and cheaper.
Never do this
Do not induce vomiting, feed milk, salt, or oil, or wait overnight to "see how it goes". Signs of chocolate or Allium poisoning can take hours to days to appear.
Go to an emergency vet immediately if
Your cat is collapsing, twitching or seizing, struggling to breathe, drooling heavily, vomiting repeatedly, or wobbly on their feet.
Outside the US? Call your local emergency veterinary clinic — keep the number saved in your phone.
Effective: July 17, 2026
Can Cats Eat It? provides general educational information for cat owners. It is not veterinary, diagnostic, treatment, or emergency advice.
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Effective: July 17, 2026
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