Top 10 Most Toxic Foods for Cats

Believe it or not, the stuff your cat eats has an almost immediate effect on its body. While some foods may only disrupt your cat's digestive system, others can potentially trigger life-threatening consequences. In this blog post, I'll walk you through the poisonous foods you should never include in your cat's diet.

Why You Should Be Cautious About What Your Cat Eats

If you're like most cat parents, you want to give your pet a tasty meal every time. And given that felines can be such picky eaters, it's not uncommon to serve them human food once in a while.

But have you ever realized that some human foods can be toxic to cats? Beyond causing an upset stomach or food poisoning, some can even trigger a life-threatening emergency. What’s alarming is that you may have already inadvertently served some of them to your cat at some point.

Toxic foods can severely damage a cat's red blood cells

Food toxic to cats can harm red blood cells in various ways. These toxins not only significantly reduce the oxygen levels in the cells but also cause premature deterioration, hindering their ability to support tissues effectively. One such condition resulting from this is hemolytic anemia.

When your cat eats toxic foods, you will observe key indicators of its overall well-being. Beyond disrupting its digestive system, you may also notice sudden, accelerated breathing. We will explore these symptoms in more detail as we proceed.

Is dog food and raw meat toxic to cats?

The short answer is it depends.

Did you know that dog food is not inherently toxic to cats? Your kitty can occasionally eat dog food without adverse effects. However, it is crucial to remember that dog food cannot serve as a long-term source of nutrition for your cat due to the lack of essential nutrients—like B12, the essential B vitamin, and fatty acids—specific to feline health. Relying on dog food can lead to health problems over time.

Are raw meat-based diets safe for cats?

Raw meat can be a safe part of your cat's diet if it is properly prepared. There are raw meat-based diets specifically designed for cats. To ensure safety, the raw meat must be fresh, clean, and free from pathogens and parasites that could harm your cat's health.

Proper preparation involves handling the meat with care, keeping it at appropriate temperatures, and following guidelines to eliminate any potential risks.

Signs That Your Cat Is Suffering from Digestive Upset

Your cat may exhibit key symptoms indicating it is suffering from digestive issues caused by ingesting toxic foods. Below are the most common signs to monitor:

• Sudden rapid breathing or trouble breathing
• Unexpected lethargy
• Nausea and vomiting
• Abnormal heart rhythm
• Diarrhea
• Changes in stool color and consistency
• Sunken eyes and decreased skin elasticity
• Flatulence
• Excessive drooling or licking

It is crucial to consult a vet immediately if you notice your cat is in severe pain. Ingesting a toxic substance can harm a cat's digestive system and may lead to more serious consequences, such as kidney failure or even death.

Which Foods Are Toxic to Cats?

Now that we've discussed the possible outcomes of your cat ingesting a toxic substance, let's walk through the dangerous foods you should never serve your pet. It's important to note that you likely have these "human foods" in your kitchen or pantry right now.

#1. Onions and garlic

Did you know that cats are highly susceptible to garlic and onion poisoning? These are among the most common foods that pose a risk to them. Onions and garlic contain compounds called thiosulfates, which can negatively affect your pet's digestive system and other key physiological functions.

The most serious effects of thiosulfates in cats include Heinz body formation, which is the clumping of hemoglobin, and hemolytic anemia, where red blood cells deteriorate prematurely.

Thiosulfates are most potent in concentrated forms, such as onion and garlic powder. Most cats display immediate signs of gastrointestinal irritation after ingesting these compounds and usually require emergency attention.

#2. Raw eggs

Raw eggs can be toxic to cats for two key reasons. First, they contain a type of protein called avidin, which prevents the absorption of biotin, an essential B vitamin for cats. Biotin plays a vital role in maintaining a cat's healthy skin, coat, and nails, as well as supporting their metabolism and nervous system.

Second, raw eggs can carry pathogens and parasites such as E. coli and Salmonella, which can disrupt feline digestive systems and lead to serious health problems if not properly addressed. Severe infections from these bacteria can result in the development of sepsis, a life-threatening condition.

#3. Alcohol

Alcoholic beverages are extremely harmful to cats, as their bodies are not equipped to metabolize alcohol. Due to their small size, even a small amount of alcohol can remain in their system for an extended period, potentially leading to alcohol poisoning.

Symptoms of alcohol poisoning in cats include nausea, vomiting, disorientation, and even coma, making it crucial to keep such substances out of their reach. To prevent accidental ingestion, consider using cat-proof locks on cabinets and storage areas where alcohol is kept.

Interestingly, similar toxicity is observed with grapes and raisins. Although the exact toxin remains unidentified, ingestion of these fruits can cause severe abdominal pain and acute kidney failure in cats. Contact your vet immediately if your cat ate grapes or raisins, as prompt treatment is crucial.

#4. Yeast dough

Yeast dough can make a cat ill in two ways. First, fermentation produces alcohol, which can cause various negative effects on a cat's body, such as lethargy, vomiting, and difficulty breathing.

Second, yeast dough tends to expand inside a cat's stomach. While small amounts may only cause brief bloating and abdominal discomfort, it can potentially lead to a serious condition called gastric dilatation-volvulus (GDV), where the stomach twists out of shape. This dangerous situation requires immediate treatment.

#5. Raw fish

Feeding raw fish to cats can be risky. Besides the choking hazards posed by bones and the potential presence of parasites, certain raw fish contain an enzyme called thiaminase. This enzyme blocks the absorption of B vitamins in a cat's body, which can eventually lead to neurological issues due to vitamin B deficiency.

Remember, too much tuna—even canned tuna—can be harmful to your pet. Consuming excessive amounts of this fish can lead to mercury poisoning in some cats. Moderation is key to keeping your furry friend safe and healthy.

#6. Green potatoes or tomatoes

Raw potatoes and tomatoes contain a substance called solanine, which can be harmful to a cat's health. Solanine is particularly concentrated in the green parts of these raw vegetables, and ingestion can lead to serious health issues for cats, including gastrointestinal distress and nervous system problems.

Apart from causing gastrointestinal issues, solanine can also trigger confusion, weakness, and lethargy in cats. The leaves of these plants contain this toxic substance as well, so it is highly recommended to keep both the leaves and green parts away from your pet.

#7. Chocolate

Did you know that chocolate is one of the most dangerous foods for your cat? This sweet treat contains theobromine, a compound that cats' bodies cannot effectively process. Even a small bite can lead to serious health issues, such as vomiting, increased heart rate, and seizures, making your pet prone to theobromine poisoning.

Besides having trouble digesting chocolate, your pet can also experience rapid breathing, increased heart rate, and even seizures in extreme cases. It is crucial to note that anything containing cacao seeds includes theobromine. This means dark chocolate, white chocolate, baking chocolate, and their by-products all pose a risk.

#8. Dairy products

While cats are often portrayed as enjoying milk, this can actually result in adverse effects on their bodies. Although milk is not inherently toxic to cats, most adult cats are lactose intolerant and have difficulty digesting dairy products.

Compared to other items on this list, dairy products such as butter, ice cream, milk, and yogurt are less likely to cause serious health issues in cats. However, these products can still cause bloating, stomach pain, and diarrhea.

#9. Caffeine

When it comes to harmful human foods for cats, caffeine is one you must always avoid. Severe effects of caffeine poisoning include heart palpitations, seizures, and muscle tremors. Even a small amount can be extremely dangerous for your pet.

#10. Xylitol

Although xylitol is derived from plants, this sugar substitute poses serious health risks to cats. When ingested, it can cause a sudden spike in insulin levels, leading to liver damage and low blood pressure. Similarly, other natural products that are harmful to cats include citrus fruits and their essential oils.

A Healthy Digestive System Boosts Immune Health

Maintaining ideal digestive health helps your cat avoid diseases and illnesses. Zumalka's PROBIOPET is designed to encourage healthy gut flora, which improves metabolism and the absorption of essential nutrients. If you're looking for a convenient supplement to boost your cat's digestive system, PROBIOPET is a natural product worth considering.

About the author

Denise Lessard

HOMEOPATH, NATUROPATH, REFLEXOLOGIST, TRADITIONAL CHINESE MEDICINE THERAPIST

Denyse Lessard is deemed as the “mother” of Zumalka, which was established more than ten years ago to provide easily accessible natural products for pet wellness worldwide.

Besides being a trained alternative medicine therapist, Denyse also has expertise in homeopathy, naturopathy and iridology, reflexology, as well as Chinese medicine. She is a long-standing member of the Professional Union of Homeopaths of Quebec, as well as the Association of Naturopaths and Naturotherapists of Quebec.

Denyse’s philosophy as regards pet wellness is not just about only dealing with disease and illness when they get in the picture, but keeping animals in ideal health each and every day.

Find out more about Denyse when you click HERE.