Can cats eat onions?

In this brief guide, we will answer the question, “can cats eat onions?” and discuss what are the symptoms of onion poisoning in cats, and how do you treat onion poisoning in cats?

Can cats eat onions?

No, cats can not eat onions.

Onions are toxic to cats and can cause them to become ill if they consume enough of them. Cats can get into trouble by eating onions in their garden or yard, or even if they’re given to them by friends or family members who don’t understand how dangerous they are.

If a cat eats onions, it will usually vomit after consuming small amounts; however, if the cat consumes more than might be expected, it could experience an upset stomach. If your pet does eat onions, it’s important to call your vet immediately for treatment.

What are the symptoms of onion poisoning in cats?

The symptoms of onion poisoning in cats include vomiting and diarrhea, which can be accompanied by dehydration. 

Onion poisoning in cats causes vomiting, diarrhea, decreased appetite, lethargy, and deep breathing. The cat may also exhibit hypersalivation and purging.

These symptoms occur within minutes or hours after ingestion of onions. Ingestion of onions can also cause increased heart rate, body temperature, and respiratory rate.

How do you treat onion poisoning in cats?

Onion poisoning in cats is a serious condition that can cause vomiting, diarrhea, and anemia. Cats who consume onion or related plants may be at risk for developing this condition.

The best way to treat onion poisoning in cats is by providing supportive care and taking your cat to a veterinarian immediately. You should also keep your cat hydrated until the vomiting and diarrhea subsides.

What should I do if my cat ate onion?

If your cat has eaten onion, call your veterinarian right away. Onion can cause vomiting, diarrhea, and even anemia in cats. If your cat has eaten onion and is showing symptoms of poisoning, you should bring them to the vet right away.

Onion poisoning is a serious condition that can be fatal if left untreated. If your cat ingested onion, call your veterinarian or emergency clinic immediately to start treatment.

It is important to remember that onions are toxic. Symptoms may include vomiting, diarrhea, lethargy, and seizures. The sooner you get your cat to a vet, the better their prognosis will be.

If you suspect that your cat has consumed onions, call your veterinarian immediately for advice on how to manage the situation at home.

How much onion is toxic to cats?

The amount of onion that is toxic to cats is one gram of onion per 5 pounds of weight of a cat.

Onion toxicity in cats is a very serious condition. If a cat eats onions, it can develop life-threatening kidney failure. Cats are more likely to get onion toxicity if their diet contains other foods that contain a chemical called thiosulfate, which is an allergen.

The best way to avoid onion toxicity in cats is to feed your kitty foods with low sulfur content. Also, don’t give your cat raw onions.

Can cats have cooked onions?

No, cats cannot have cooked onions.

Cooked onions can cause anemia in cats, which can lead to death.

What is anemia in cats?

Anemia is a condition in which the blood does not have enough healthy red blood cells. It can be caused by many things, such as:

  • A diet that is low in protein and/or iron
  • A low amount of red blood cells in the body
  • A lack of hemoglobin, which is responsible for carrying oxygen through the body

Can cats have onion powder?

Cats cannot have onion powder.

Onion powder is a seasoning that has been used in foods for humans for many years. It is frequently used in soups, meatloaf, and other dishes that are made with ground beef. However, the use of onion powder in cats’ foods can cause problems with their health.

In addition to causing anemia, onion powder can lead to an allergic reaction or poisoning if eaten by cats. It also causes them to become dehydrated in cats.

Onion powder is toxic to cats because it blocks the absorption of iron and zinc. In some cases, this can lead to anemia, which needs immediate medical attention if it occurs suddenly or lasts for more than 48 hours after initial symptoms appear such as diarrhea or vomiting.

What can cats eat?

Cats are carnivores. That means they need a diet that provides them with the nutrients they need to survive and thrive.

They need to eat a balanced diet of meat, fish, and other animal protein sources. Cats do not require carbohydrates or any other type of carbohydrate-based food in their diets.

Cats should be fed two or three meals per day, but some experts recommend feeding them four meals per day if you want your cat to stay trim and healthy.


In this brief guide, we have addressed the question, “can cats eat onions?” and discussed other questions related to the subject, such as what are the symptoms of onion poisoning in cats, and how do you treat onion poisoning in cats?