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11 Human Foods That Are Poisonous to Cats

Cats are the best, aren’t they? Even if you’re allergic you often find yourself fighting the urge to pet them. Cats are super cute and come with a whole lot of personality. So naturally, you’d want them to live a long healthy life. For this, you need to pay extra attention to what they’re eating. In this blog, we’ll be talking about human foods that are toxic to your cat. Besides chocolates and avocado, what else should you avoid giving them chives, maybe grapes, we’re talking all that and more.


There could be a thunderstorm outside and my cat wouldn’t bat an eye but if I open chocolate anywhere anytime she instantly becomes alert. It’s definitely hard to say no to their pleading eyes but you have to in this case chocolates can kill your cat. They contain a toxic agent that causes seizures, irregular heartbeat, and tremors. You may think only darker unsweetened baking chocolate is bad for them. While you’re right to watch out for dark chocolate. Even white chocolates aren’t safe they contain particular toxic agents harmful to your fur baby. About 20 milligrams of chocolate per kilogram of your cat’s weight can give off mild symptoms and with 40 milligrams per kilogram of body weight your furry feline will experience severe symptoms.


Avocados are super healthy but only for humans. Your cat needs to stay far away from this delicious fruit. This causes diarrhea and vomiting.

Green Tomatoes:

Yes, green tomatoes can be dangerous for your cat. The good news is that cats are highly unlikely to eat raw green tomatoes as they disliked the texture and taste but still look out for them. Cats are a bit weird and you never know when they might just decide to explore their options. Most cat experts feel red ripe tomatoes are safe but the raw ones contain a bitter poisonous alkaloid that can make your cat very sick. It causes violent gastrointestinal issues, meaning you’ll need to take them to a vet immediately. But don’t worry if you see tomatoes written on any cat food. Cat food companies use the red kind but this too comes in small quantities.

Grapes and raisins:

The animal poison control center advises against giving your cat anything made with grapes and raisins. It’s not yet known what makes them dangerous for pets but the general consensus is that you should avoid them at all costs. There have been several cases where they’ve caused kidney failure of pets. It’s best not to put your cat in such dangerous situations. If your cat ate a piece or two keep a close watch if you see any sign of discomfort rush them to the vet.

Onion and Garlic:

Some of us make the mistake of sharing table scraps with our cats. Do you do that as well? It is indeed difficult to resist there but you have to be strict. Lots of human foods contain onions in one form or another. The bad news is that they can give your kitty anemia. Onions contain a chemical that destroys your cat’s red blood cells. It’s called Heinz body anemia. Your cat can develop onion poisoning by eating a large amount of it at once or eating small quantities of it on the regular. If you give your cat homemade food, pay attention to the labels of everything you’re putting into it. It’s not just about adding raw onions as an ingredient. Onions can be present in cooked, dehydrated or powdered form and all of them are bad for your cat.

Sugar-free Foods:

Any human food that is labeled sugar-free should never be given to your cat. That’s because several human foods contain xylitol. This is a sweetener that can injure your cat’s liver. Baked goodies, candies, and even some toothpaste brands contain xylitol. It also lowers your kidney’s blood sugar to dangerous levels.


Any caffeine-heavy product is dangerous for your cat. The terrifying part is that there is no antidote for caffeine poisoning. Never give your cat drinks like tea or coffee even cola and other stimulant drinks are a no-no. Caffeine poisoning can cause muscle tremors heart palpitations, rapid breathing, restlessness, and your kitty. 

Dog food:

If you’re a proud pet parent to both dogs and cats, chances are you’ve seen your Fur babies trying to switch between foods. You may have seen them trying to sneak into each other’s bowls. Just don’t let it become a habit. Dog Food isn’t toxic for your cat but it does contain ingredients specifically tailored to a dog some of them are harmful to your cat. Besides this dog food would not meet their specific nutritional needs. For example, cats need more protein and fatty acids. Substituting cat food with dog food will make your cat severely malnourished.


No, it’s never fun to try to get your pets drunk. All types of alcohol are toxic for cats and should never be given to them. It can destroy your cat’s central nervous system and make them drowsy and uncoordinated. This eventually leads to loss of consciousness, respiratory failure, and death. Do not leave alcohol containers or punch bowls open all night. Clean up the counter before going to sleep. Cats are curious by nature and you never know what interests them when you’re fast asleep.

Yeast dough:

Do you know why yeast is added to dough to make it rise? And that’s exactly what it would do to your furry feline stomach if it ate raw yeast dough. Yeast will expand causing the kidneys and abdomen severe pain. As if this wasn’t enough yeast will also make alcohol as a byproduct and this can cause alcohol poisoning so better look out for your cat when you’re baking. Keep them busy with treats and toys. Did you know about these toxic foods before reading this blog? has your cat ever eaten any one of these by accident? Let us know in the comments below. We would love to hear from you.

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