Can cats eat green/spring onion? Do cats like green onions?

Cats are obligate carnivores, which means that their diet must consist of animal-based proteins. The ASPCA Animal Poison Control Center says that as few as two or three raw green onions can cause mild stomach upset in a cat.

The ASPCA also mentions that an onion’s toxicity depends on the size and age of the cat and how much onion it eats. There are a lot of myths surrounding what cats can and can’t eat. Can cats eat green/spring onion? Some people say that cats can eat green onions, while others say they can’t.

Can cats eat green/spring onion

So, what’s the truth?

Can cats eat green/spring onion?

The answer is quite simple: yes, cats can eat green onions. Green onions are a great source of nutrition for cats, including vitamins A, C, E. They are also rich in minerals such as potassium and contain a large amount of fiber. Green onions also contain antioxidants, which protect against cell damage.

However, be mindful that cats should not eat large quantities of green onions. Consuming large quantities of onion can be harmful to your cat. Therefore, it’s essential only to feed them a small amount as a treat.

While spring onions are generally safe to eat for cats, they can sometimes cause gastrointestinal problems. Onions contain thiosulfate, a compound that can be harmful to your cat if consumed in large quantities.

If you’re not sure whether your cat can eat onions, it’s always recommended to speak to a veterinarian.

How much green onion is toxic to cats?

Onion toxicity is a commonly discussed topic among cat lovers. Research suggests that cats can only consume small quantities of onion without affecting their health. Onion toxicity occurs as a hypersensitive reaction of its red blood cells to the oxidants present in onions.

Consuming small quantities of green onions is not toxic for your cat. Anything less than 1 gram per 5 pounds of your cat’s body weight is safe to eat. However, if a cat eats onions more than the prescribed amount, it can be toxic and may cause gastrointestinal upset.

Do cats like green onions?

Just like people, cats have different preferences when it comes to food. Some cats love the taste of green onions and eat them happy every time they’re offered, while others may not. As a cat owner, you should observe your cat’s behavior and see what they prefer. If they show signs of interest, you may feed green onions to them in small amounts.

Are green onions OK for cats to eat?

There is some disagreement over whether green onions are safe for cats to eat. Some people believe that green onions are acceptable, while others warn against feeding them to cats. Because onions contain thiosulphate, a toxic compound for cats, cat owners refrain from feeding them.

If you are not sure whether you should feed green onions to your cat, you should keep them away from your cat. Or you can feed green onions in a small amount and see if your cat develops a taste for it.

With the popularity of having a cat as a pet, many people consider getting their own. These cats need to eat, and it is essential to know what food is best for them. Some foods are entirely off-limits, such as onions and garlic, which can cause anemia or even death in some animals. Meanwhile, some foods should be fed in moderation to your cat to ensure they are not harmful to their health.

Check can cat eats onion

Is it bad for a cat to eat green onions?

There are a lot of myths out there about what is and isn’t good for cats to eat. Green onion is one of those vegetables that people are unsure whether to feed their cats. Let’s take a closer look at some of the advantages and disadvantages of feeding green onions to your cat.

Is it bad for a cat to eat green onions
  • Advantages 

Green onion is an excellent source of vitamin K, which is essential for blood clotting. It contains antioxidants, which help protect cells from damage. Green onion also has anti-inflammatory properties, beneficial for cats with chronic health problems.

  • Disadvantages

Unfortunately, green onion does have some potential disadvantages as well. For starters, green onion is a high-carbohydrate vegetable, potentially leading to weight gain in cats if fed in large quantities. Additionally, green onion contains sulfur compounds that can cause gastrointestinal upset in some cats. So, it’s important to only feed green onions in moderation and watch your cat’s reaction to ensure that there are no adverse side effects.

Can kittens have green onions?

The answer to this question is no. Kittens cannot have green onions. Kittens are usually fed milk and dry food by their owners. Green onions are not harmful if fed in moderate quantities. However, they are not suitable for kittens. They contain a chemical called N-propyl disulfide that can cause vomiting, diarrhea, and lethargy in young cats and dogs. Plus, kittens have a weaker immune system, and they can become seriously ill if they are fed green onions.

Symptoms of green onion poisoning in cats

Green onion is a vegetable that is often used as a seasoning. It holds a special place in many kitchens worldwide due to its high nutritional value. However, green onions are not edible for cats in large quantities. If your cat overeats green onion, it may experience some symptoms such as vomiting and diarrhea.

The most common symptom of green onion poisoning in cats is vomiting. It will usually happen within a few hours of eating the vegetable and might continue for up to a week after eating it. Other symptoms include diarrhea, lethargy (sluggishness), and drooling (excessive saliva).

If left untreated, green onion poisoning can lead to liver damage, coma, and death. If you believe green onions have poisoned your cat, seek veterinary help immediately.


While green onions have been an essential part of humans’ diet, it isn’t a good choice for cats. Because it contains toxic oxidants, feeding it in large quantities can adversely affect your cat’s health, resulting in vomiting, diarrhea, and even death. Therefore, you should always feed green onions in small amounts to ensure your cat stays cheerful.

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