Can cats eat chocolate?

Cat Facts, Featured posted on February 01 2016 by

Most people know that dogs shouldn’t eat chocolate, but what about cats? As picky eaters, cats are far less likely than dogs to seek out your chocolate stash, but some will find their way into a chocolaty treat or may even be fed one by an unwitting owner. The short answer is no, cats should never eat chocolate. But why not? And what happens if they do? For the answers, let’s delve a little deeper with the help of the folks at PetMD.

The Intoxicating Nature of Chocolate

Chocolate contains the chemical compounds caffeine and theobromine, which are part of the methylxanthine chemical group. These particular compounds are not harmful to humans, but can cause significant medical problems for your feline friends. Theobromine affects your cat in four different ways:

  • – acts as a stimulant, which increases heart rate,
  • – acts as a diuretic, causing increased loss of body fluids,
  • – causes gastrointestinal upset, and
  • – upsets the nervous system.

Caffeine and theobromine are in all types of chocolate, but at different concentrations. Darker, purer chocolates have higher concentrations of toxic methylxanthines than milk or white chocolate. Depending on the type of chocolate and the amount consumed, reactions can range from mild to severe, and can even be life-threatening.

Symptoms of Chocolate Toxicity

When a cat ingests chocolate or a chocolate byproduct, the first physiological response is unnatural stimulation of the heart and nervous system. The darker the chocolate and the more consumed, the more intense the symptoms can become:

  • – Vomiting
  • – Diarrhea
  • – Increased body temperature
  • – Increased reflex responses
  • – Muscle rigidity
  • – Rapid breathing
  • – Increased heart rate
  • – Low blood pressure
  • – Seizures
  • – Advanced signs (cardiac failure, weakness, and coma)
Act Quickly

If you think your cat has eaten chocolate, don’t wait to see if symptoms develop. Try to determine how much she has eaten and call your veterinarian for advice. To understand the level of toxicity your cat might experience, the vet’s office will want to know how big your cat is and how much chocolate you suspect she ate.  They will most likely suggest inducing vomiting right away to minimize the digestion of the methylxanthines and reduce the overall risk of severe poisoning.

In many cases, small quantities are not likely to be a problem, but larger quantities may require you to rush your cat to the veterinarian. If your veterinarian is unavailable or unequipped to handle the situation, call the nearest animal hospital or the Pet Poison Helpline at 1-855-213-6680. This is especially important if your cat is displaying more severe symptoms, such as muscle tremors or repeated vomiting.

While waiting for your cat to be evaluated, try to keep her cool, calm, and in a quiet place to prevent the escalation of any symptoms. The veterinarian will conduct a thorough physical examination, involving a chemical blood profile, electrolyte panel, and urinalysis to discern whether or not your cat has experienced a caffeine or theobromine overdose. Electrocardiography may also be employed to observe any possible irregularities in your cat’s heartbeat.

After an incident of chocolate poisoning, continue to keep your cat in a quiet and cool environment. With a mild, bland diet over the following two or three days—including plenty of hydrating fluids, your cat should be just fine.


Unfortunately, food poisoning from things like chocolate happen far too frequently in cats. Now you know how grave the consequences can be, so be mindful about your chocolate stash. Keep chocolaty foods and treats guarded in firmly-closing containers and cabinets, be wary of feeding your cat anything that might contain chocolate, and take a moment to educate house guests and friends who might interact with your cat about chocolate toxicity. If you’re lamenting the loss of your candy dish, keep your cat safe and put a lid on it.


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