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Can Cats Eat Marshmallows? Your Go-To Guide

When it comes to feeding our cats, we want to make sure they’re getting the best nutrition possible and staying away from any potentially dangerous foods. But can cats eat marshmallows? We know that chocolate is toxic for them, but what about this sweet treat? 

While marshmallows themselves may not be harmful to your cat, there are some potential hazards that you should be aware of. In this blog post, we’ll look at whether cats can eat marshmallows and the potential risks associated with them. We’ll also discuss some alternatives to marshmallows that your cat would love. So let’s get started!

What Are Marshmallows?

Colorful Marshmallows

Marshmallows are made of sugar, corn syrup, water, and gelatin. They come in a range of shapes, sizes, and colors and can be found in supermarkets or candy stores.

Many people use them for baking, but they’re also enjoyed as a snack on their own. While they may appear to be soft and harmless, it’s important to remember that marshmallows contain sugar and can cause problems for cats if ingested.

Can Cats Eat Marshmallows?

The short answer is no, cats should not eat marshmallows. The sugar content alone is enough to cause an upset tummy as well as potential problems with their teeth. The sticky nature of marshmallows also poses a choking hazard for cats, so it is best avoided altogether. 

Another reason marshmallows should not be given to cats is that they can contain artificial sweeteners, flavoring, and colorings, which are potentially toxic for pets.

What Should I Do if My Cat Eats a Marshmallow?

cat and pink cup with Marshmallows

If you think your cat has eaten a marshmallow, it’s best to take them to the vet as soon as possible. The vet can give them an examination and determine if any further treatment is necessary.

In most cases, the effects of marshmallows will be minor and no medical intervention should be needed. However, if your cat displays signs of distress such as excessive drooling, vomiting, or diarrhea, seek medical attention immediately.

If your cat has only eaten a bite of marshmallow and is not showing any symptoms, then it is likely that it will be fine. However, it’s still best to monitor them for any adverse reactions.

Alternatives to Marshmallows

There are many cat foods you can offer your cat instead of a couple of marshmallows. Some of these include:

  • Catnip: Catnip is a herb that cats love, and it can provide them with an enjoyable sensory experience. You can buy catnip toys or dried catnip leaves, which can be crumbled over their food. 
  • Treats: Many brands offer treats specifically designed for cats. These are usually made from natural common ingredients and are more nutritious than marshmallows. There are better alternatives to sugary treats.
  • Fish: One of the best sources of protein for cats is fish, like tuna or salmon. You can either offer them canned fish or cooked fish with no added flavoring or salt. This has great levels of protein and health benefits for your cat.

What Foods Are Toxic to Cats?

Not all human foods are good for cats. So what should you not feed your cat? Here are some dangerous foods:

Chocolate is toxic to cats and should be avoided at all costs. Chocolate contains theobromine, a compound that is poisonous to pets. It can cause vomiting, seizures, and even death if ingested in large amounts.

Raisins and grapes are also toxic foods for cats as they contain a toxin that can damage their kidneys. Ingestion of even small amounts of these fruits can cause vomiting, diarrhea, and abdominal pain.

Onions and garlic contain compounds that can be toxic to cats if eaten in large quantities. Eating too much onion or garlic can cause anemia and other health issues.

Alcohol should never be given to cats as it has dangerous effects on their bodies. It can lead to vomiting, disorientation, and even coma if consumed in large amounts.

Finally, artificial sugar is also not recommended for cats as it can cause an awful sugar rush, obesity, and dental problems. Human junk food should be avoided at all costs as they are full of sugar, artificial flavors, and colorings that could be toxic to cats.

It is best to avoid giving marshmallows and other sweet treats to cats as they can be hazardous to their health. 

Frequently Asked Questions (FAQs)

Do Cats Like Marshmallows?

No, cats usually don’t like the sweet taste of marshmallows. In some cases, it can cause stomach issues or nausea. It is best to avoid giving your cat a regular marshmallow diet altogether.

Can a Marshmallow Kill My Cat?

No, a marshmallow itself is not likely to be fatal for a cat. However, if your cat consumes a large number of marshmallows, it can cause an upset stomach or nausea. It is important to monitor your cat for any adverse reactions and seek medical attention if necessary.

Does Sugar Affect Cats?

Yes, sugar can affect cats if consumed in large quantities. Too much sugar can cause an upset stomach or diarrhea and can also lead to obesity and high blood sugar levels. It is best to avoid giving your cat sugary foods like marshmallows altogether and go for more healthy foods.


Can cats eat marshmallows? As we’ve covered, marshmallows are not suitable for cats and should be avoided. There are many alternative treats available that your cat will love, such as catnip toys, fish, or high-protein canned cat foods. 

If you think your cat has eaten a marshmallow and see signs of distress, seek medical attention as soon as possible. With the right food for cats — both snacks and actual cat treats — your cat can live a happy and healthy life.