Can cats eat chocolate?

Can cats eat chocolate? No. Theobromine and caffeine can cause vomiting, a racing heart and seizures. Which types are worst and what to do if your cat ate some.

Is it safe? · Foods · 5 sources
Toxic to catsAll chocolate and cocoa products. White chocolate carries the least risk
Toxins
Theobromine and caffeine (methylxanthines)
Most dangerous
Cocoa powder, baking chocolate and dark chocolate
When signs start
Usually within 6 to 12 hours
Common signs
Vomiting, restlessness, fast heart rate, tremors
What to do
Call your vet or a poison line now

Quick answer

No. Chocolate contains theobromine and caffeine, two stimulants that can make cats seriously ill. Eating it can cause vomiting, restlessness, a racing heart, tremors and, in severe cases, seizures. The darker the chocolate, the higher the risk, and cocoa powder and baking chocolate are the most dangerous. If your cat ate any chocolate, call your vet or a pet poison line straight away.

Can cats eat chocolate? No. Chocolate is toxic to cats, and it’s one of the most common reasons cat owners call a poison line. According to Pet Poison Helpline data reported by VCA Animal Hospitals, chocolate was the second most common reason for cat poisoning calls in 2023, after lilies.

Poisoning often happens by accident: a cat licks frosting off a plate, chews a foil-wrapped candy or gets into a bag of cocoa powder. How sick a cat gets depends on the type of chocolate, how much was eaten and the cat’s size and health. That’s why the safest answer is always to call.

Why is chocolate toxic to cats?

Chocolate is made from cacao beans, which contain two stimulants called methylxanthines: theobromine and caffeine. Chocolate contains about 3 to 10 times more theobromine than caffeine, and both add to the poisoning.

These chemicals overstimulate the nervous system and the heart. They’re absorbed quickly from the gut, processed by the liver and recycled through the body before they’re cleared, which is why signs can last a long time. Pet Poison Helpline notes that dogs and cats appear to be more sensitive to caffeine than people are.

Chocolate is also fatty and sugary. Merck Veterinary Manual notes that the high fat content can trigger pancreatitis in some animals, on top of the stimulant effects.

Which types of chocolate are most dangerous for cats?

The darker and more bitter the chocolate, the more theobromine and caffeine it holds. The figures below are the typical total methylxanthine content from Merck Veterinary Manual. Real products vary by brand and bean.

Type Methylxanthines per gram Risk to cats
Cocoa powder About 28.5 mg Emergency
Unsweetened baking chocolate About 15.5 mg Emergency
Cocoa bean hull garden mulch About 9 mg Emergency
Dark and semisweet chocolate About 5.3 to 5.6 mg Emergency
Milk chocolate About 2.3 mg See vet soon
White chocolate About 0.04 mg Monitor

A few things this table doesn’t show:

  • Cocoa percentage matters. The percentage on a bar label tells you how much unsweetened chocolate it contains, so a 70% bar is far stronger than a milk chocolate bar of the same size. Read it off the wrapper when you call.
  • Mixed products add risk. Chocolate candy and baked goods can also contain raisins, macadamia nuts or xylitol, each with its own concerns.
  • “Low risk” still means call. Even milk or white chocolate can upset the stomach, and a small cat needs less to get sick. The poison line will tell you whether the amount matters.

What are the signs of chocolate poisoning in cats?

According to Merck Veterinary Manual, signs usually appear within 6 to 12 hours of eating chocolate. In severe cases they can last up to 72 hours.

Early signs:

  • vomiting or diarrhea
  • drinking more than usual
  • a swollen belly
  • restlessness, pacing or panting

As poisoning progresses:

  • hyperactivity or agitation
  • peeing more than usual
  • wobbly walking or stiff muscles
  • tremors or seizures
  • a fast or irregular heartbeat
  • fast breathing
  • a high body temperature
Sign What to do
Ate chocolate, no signs yet See vet soon Call your vet or a poison line now
Vomiting, restlessness, drinking a lot See vet soon See a vet today
Tremors, seizures, collapse, racing heart or trouble breathing Emergency Go to an emergency vet now

My cat ate chocolate: what should I do?

If your cat ate chocolate, act before signs start. The first few hours are when a vet has the most options.

  1. Move your cat away from any chocolate that’s left, and pick up wrappers.
  2. Gather the details. Find the wrapper or package. Note the type of chocolate, the cocoa percentage, roughly how much is missing, and when it happened. Weigh your cat or use their last known weight.
  3. Call your vet or a pet poison line. ASPCA Animal Poison Control and Pet Poison Helpline both answer 24 hours a day and charge a consultation fee. They’ll work out whether the amount is dangerous for your cat.
  4. Don’t make your cat vomit at home. VCA Animal Hospitals warns there are no over-the-counter products that safely make cats vomit. Salt and hydrogen peroxide can poison or injure a cat. Vets use prescription medicines that are safe for cats instead.
  5. Go in if you’re told to, or if signs appear. Call the clinic on the way so they can prepare. Use our 24-hour vet finder if your regular vet is closed.

Not sure how fast to act? Our should I go to the vet? check can help, and the cat emergency guide covers what to bring.

How do vets treat chocolate poisoning in cats?

There’s no antidote for chocolate poisoning, and no quick test for it. Vets base treatment on what the cat ate and the signs they see.

Removing the chocolate. If your cat ate chocolate recently, usually within about 2 hours, and has no signs yet, your vet may give a medicine to make your cat vomit. This must be done at the clinic with a drug suited to cats.

Supportive care. Cats with signs may need IV fluids, which help flush the toxins out in the urine. Your vet may also give medicine to control vomiting, calm tremors or seizures, and steady the heart rhythm, and monitor the heart and body temperature. Your vet chooses the medicines and doses for your cat.

Early treatment can make the poisoning less severe. Because signs can last up to 72 hours, a badly affected cat may need a hospital stay, which adds up at an out-of-hours clinic. See what an emergency vet costs for cats or try our vet cost estimator, but don’t let cost questions delay the call.

What other foods and products contain caffeine?

Caffeine causes the same kind of poisoning as chocolate: hyperactivity, stomach upset, heart rate and rhythm changes, tremors and seizures. Pet Poison Helpline lists these common sources:

  • coffee, tea, soda and energy drinks
  • unused coffee grounds, whole coffee beans and tea bags
  • chocolate-covered espresso beans
  • pre-workout and weight-loss supplements
  • energy shots, pouches and caffeine tablets

A lick of a drink is far less concerning than grounds, beans, tea bags or pills, which pack much more caffeine. Big sweet coffee drinks with cream can tempt a cat and may hold extra espresso shots. If your cat got into any caffeine product, call a poison line.

How do I keep chocolate away from my cat?

  • Store chocolate, cocoa powder and baking chocolate in closed cupboards, not on counters.
  • Clear away plates, mugs of hot cocoa and baking bowls straight after use.
  • Keep candy dishes, gift boxes and advent calendars out of reach. Cats climb.
  • Keep caffeine supplements and coffee beans in sealed containers.
  • If your cat goes outside, ask about cocoa bean mulch before using it in the garden.

Wondering about another food? Look it up in our what can cats eat? tool or snap a photo with the food scanner. For more foods, plants and products, see our is it safe for cats? guides, including onions and garlic.

Frequently asked questions

Can a small lick of chocolate hurt my cat?

It depends on the type of chocolate, how much was eaten and your cat's size and health. Cats are small, so it takes less chocolate to reach a harmful level than it would for a large dog. Don't guess. Call your vet or a pet poison line and tell them what your cat ate. They can tell you whether it needs treatment.

Is white chocolate safe for cats?

White chocolate contains very little theobromine or caffeine, so it's the least likely type to cause poisoning. It's still high in fat and sugar, which can upset a cat's stomach, and fatty foods can trigger pancreatitis in some animals. Call your vet or a poison line if your cat ate some.

How long after eating chocolate will a cat show symptoms?

Signs usually start within 6 to 12 hours. In severe cases they can last up to 72 hours. Don't wait for signs before calling, because treatment works best early.

Can cats eat chocolate cake, cookies or brownies?

No. Baked goods contain chocolate or cocoa, and some also contain raisins, macadamia nuts or the sweetener xylitol. Keep the packaging or recipe so the poison line can check every ingredient.

Sources

  1. Merck Veterinary Manual: Chocolate toxicosis in animals
  2. Pet Poison Helpline: Chocolate
  3. Pet Poison Helpline: Caffeine
  4. ASPCA Animal Poison Control: People foods to avoid feeding your pets
  5. VCA Animal Hospitals: Household hazards, toxic hazards for cats

Written by the CatsMed Team from the sources above. This guide isn’t reviewed by a veterinarian and isn’t a substitute for one. See how we research.

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