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Can tuna upset a cat’s stomach?

by Anita Brown
Can tuna upset a cat's stomach?

Can tuna upset a cat’s stomach? It’s a question many pet owners have asked themselves when considering what to feed their beloved feline companions. After all, cats do love fish and tuna is relatively affordable, so it makes sense to consider it as a meal option. But, what many people don’t realize is that even a small amount of canned tuna can cause serious digestive issues in cats. In fact, feeding tuna to cats regularly can lead to a painful condition called steatitis. So, what are the signs of this condition, how often can cats have tuna, and what are the risks of mercury poisoning? Read on to find out.

Can tuna upset a cat’s stomach?

Cats are known to be finicky eaters, so it is important to know what types of food they can and cannot eat. While it may make sense to open a can of tuna and feed it to the kitty (cats like fish, right?), the reality is that even a small amount of canned tuna can upset a cat’s stomach. If fed to cats regularly, it can cause a painful condition called steatitis, also known as yellow fat disease.

What is steatitis?

Steatitis is an inflammation of the fat cells in a cat’s body. It causes the fat cells to leak and become enlarged, which can lead to pain and discomfort for the cat. The condition is usually associated with a high-fat diet, but it can also be caused by an imbalance in the cat’s diet.

How does tuna cause steatitis?

Tuna is high in fat, but it is also high in phosphorus. This can cause an imbalance in the cat’s diet, leading to an overabundance of phosphorus in the body. The excess phosphorus can interfere with the cat’s fat metabolism and cause steatitis.

What other foods can cause steatitis?

In addition to tuna, other foods that can cause steatitis include organ meats, pork, and fish. While these foods are not necessarily bad for cats, they should be fed in moderation and only as part of a balanced diet.

How to prevent steatitis

The best way to prevent steatitis is to feed your cat a balanced diet and avoid feeding them too much tuna or other fatty foods. If you feed your cat canned tuna, it should be a very occasional treat and no more than 10% of their daily diet.

Signs of steatitis

If your cat does develop steatitis, there are some signs to look for. These include lethargy, vomiting, loss of appetite, yellow fat deposits on the skin, and extreme sensitivity to touch. If your cat is exhibiting any of these symptoms, it is important to take them to the vet immediately.

Treatment of steatitis

The treatment for steatitis will vary depending on the severity of the condition. Generally, the vet will recommend a course of antibiotics and a special diet that is low in fat and phosphorus. In some cases, surgery may be necessary to remove the fat deposits.

Cats may love tuna, but it is important to remember that even a small amount can upset their stomach and lead to steatitis. If you are going to feed your cat tuna, it should be an occasional treat and not a regular part of their diet. If your cat does show signs of steatitis, it is important to take them to the vet for proper diagnosis and treatment.

What are the signs of mercury poisoning in cats?

Cats are curious creatures, and sometimes that can get them into trouble. If you suspect your cat may have been exposed to mercury, it is important to be aware of the signs and symptoms of mercury poisoning so you can get them the help they need.

Mercury poisoning in cats can cause a variety of symptoms, ranging from neurological to digestive. Knowing the signs of mercury poisoning can help you get your cat the medical treatment they need right away.

Ataxia (drunken/wobbly gait)

One of the earliest and most common signs of mercury poisoning in cats is ataxia. Ataxia is a condition in which the cat has difficulty controlling their movements, resulting in a drunken-like gait. Cats with ataxia may stumble, weave, or appear to be walking on their toes. This can be a sign of mercury poisoning, but can also be caused by other medical conditions such as inner ear infection, stroke, or even brain tumors.

Loss of coordination and dizziness

Cats who have been exposed to mercury may also experience a loss of coordination and dizziness. This can cause them to stumble and appear to lose their balance while walking. They may also appear disoriented or confused.

Tremors or seizures

Cats with mercury poisoning may experience tremors or seizures. This can include uncontrollable shaking, twitching, or jerking of the limbs. Seizures can be frightening for the cat and may require emergency medical care.

Abnormal behavior

Mercury poisoning can cause cats to exhibit abnormal behaviors, such as aggression, hyperactivity, hiding, or listlessness. They may also become more vocal or have difficulty focusing. These behaviors can be a sign that something is wrong and should be reported to your veterinarian.

Hypermetria (involuntary body movement)

Cats with mercury poisoning may experience hypermetria, which is an involuntary movement of their limbs. This can cause them to appear to be “dancing” or “pawing” in the air.

Nystagmus (rapid, involuntary eye movements)

Another sign of mercury poisoning in cats is nystagmus, which is rapid, involuntary eye movements. This can cause them to appear to be scanning the room or looking at something that isn’t there. This can be disorienting for the cat and may require medical treatment.

Depression of the central nervous system

Cats with mercury poisoning may also experience depression of the central nervous system. This can cause them to be lethargic, weak, and unresponsive. They may also have difficulty standing or walking and may appear to be in a daze.

Paralysis

In severe cases of mercury poisoning, cats may experience paralysis. This can cause them to be unable to move their limbs or even their head. Paralysis can be life-threatening and requires immediate medical attention.

If you suspect your cat has been exposed to mercury, it is important to take them to the veterinarian right away. They can evaluate your cat and prescribe the necessary treatment to help them recover. Early detection and treatment of mercury poisoning can help ensure your cat stays healthy and happy.

How often can I give my cat tuna?

Cats can enjoy the occasional treat of tuna, but it’s important to limit the amount you feed them. Tuna is a great source of protein and can provide essential nutrients for your cat, but too much of a good thing can be bad for their health. Knowing how often you can feed your cat tuna can help you build a balanced diet for your furry friend.

How Much Tuna Is Too Much?

It’s important to remember that tuna is not a replacement for their regular diet. Cats should still receive a balanced diet of wet and dry food that is specifically formulated for cats. Tuna should only be given as a treat and should not exceed 10% of their daily calories.

What Kind of Tuna Should I Feed My Cat?

When choosing tuna for your cat, it’s important to select tuna in natural spring water. Avoid tuna in oil or brine, as these human tuna foods contain too much salt and oil, and can cause harm. Tuna in natural spring water is the best choice for cats since it has fewer calories and less fat than other varieties.

How Often Can I Give My Cat Tuna?

It’s best to limit tuna to once or twice a week at the most. Tuna should not be given as a meal replacement, but rather as an occasional treat. If your cat is used to eating human tuna, you may need to reduce their intake as it often contains more fat and salt than canned tuna for cats.

Are There Any Benefits To Feeding My Cat Tuna?

Tuna is a great source of protein and contains essential nutrients such as omega-3 fatty acids, vitamin B12, and niacin. The omega-3 fatty acids can help improve your cat’s skin and coat health, and the vitamin B12 and niacin can help support a healthy metabolism.

Are There Any Risks To Feeding My Cat Tuna?

Although tuna can be a healthy treat for cats, there are a few risks associated with it. Tuna is high in mercury, which can be toxic if consumed in large amounts. If you are feeding your cat tuna, it’s important to monitor their intake and limit it to once or twice a week.

Tuna can be a great occasional treat for cats, as long as it is given in moderation. When choosing tuna for your cat, make sure to select tuna in natural spring water to avoid too much salt and oil. You should limit tuna to once or twice a week at the most, and ensure that the rest of their diet is made up of wet and dry cat food that is specifically formulated for cats.

Can cats get too much mercury from tuna?

It’s no secret that cats love the taste of fish, especially tuna. In fact, tuna is one of the most popular ingredients used in commercial cat food. But can cats get too much mercury from tuna? It’s a question that many cat owners are asking, as mercury poisoning can have serious consequences for cats and other animals.

The answer is yes, cats can get too much mercury from tuna if they consume it in large quantities over a long period of time. Mercury is a naturally occurring element that is found in the environment, and it can accumulate in the bodies of animals and humans over time. When cats consume too much mercury, it can result in mercury poisoning, which can lead to neurological problems and other health issues.

How Does Mercury Get Into Tuna?

Mercury enters the environment through industrial pollution and natural sources, such as volcanic eruptions. As it moves through the environment, it accumulates in the food chain, including in fish. Tuna is especially prone to mercury accumulation because it is a large, long-lived predatory fish that feeds on smaller fish and crustaceans. As a result, it accumulates more mercury than smaller, shorter-lived fish.

How Much Mercury Is Too Much?

The amount of mercury that is considered too much for cats depends on the type of fish and the size of the cat. Generally speaking, most commercial cat foods that contain tuna should be safe for cats as long as it is part of a balanced diet. However, if cats are eating large amounts of tuna over a long period of time, they may be at risk for mercury poisoning.

What Are the Symptoms of Mercury Poisoning in Cats?

If cats consume too much mercury, they may experience symptoms such as vomiting, diarrhea, and loss of appetite. In more severe cases, cats may experience neurological problems such as seizures and behavior changes. Additionally, long-term mercury exposure can cause kidney and liver damage.

How Can I Keep My Cat Safe?

The best way to keep your cat safe is to feed them a balanced, commercial cat food that is free of added mercury. It is also a good idea to limit the amount of tuna they eat and to feed them a variety of fish, including salmon, herring, and sardines. Additionally, cats should never be fed raw fish, as this can increase their risk of exposure to mercury and other toxins.

In summary, cats can get too much mercury from tuna if they consume it in large quantities over a long period of time. To keep cats safe, it is important to feed them a balanced, commercial cat food that is free of added mercury and to limit the amount of tuna they eat. Additionally, cats should never be fed raw fish, as this can increase their risk of exposure to mercury and other toxins. By following these simple precautions, cat owners can help ensure that their cats stay healthy and safe.

How much tuna causes mercury poisoning?

Mercury poisoning is a serious health concern that can result from eating too much tuna. While tuna is an excellent source of protein and omega-3 fatty acids, it can also contain unhealthy levels of mercury if it is not sourced properly. Knowing the potential risks of eating too much tuna is essential for ensuring your health and safety.

What is Mercury Poisoning?

Mercury poisoning is the result of ingesting too much mercury, a toxic metal. Mercury is found naturally in the environment and can be released into the air, soil, and water from industrial sources. Consuming too much mercury can lead to a variety of health problems, including damage to the nervous system, mental disorders, and headaches.

How Much Tuna Causes Mercury Poisoning?

The amount of tuna that causes mercury poisoning depends on the type of tuna and where it was sourced. Generally, larger, predatory fish have higher levels of mercury. Albacore (white) tuna tends to have higher levels of mercury than skipjack (light) tuna. The U.S. Food and Drug Administration (FDA) recommends limiting albacore tuna to 4 ounces per week and skipjack tuna to 12 ounces per week.

How Can I Reduce My Risk of Mercury Poisoning?

The best way to reduce your risk of mercury poisoning is to be mindful of the amount of tuna you consume. If you are pregnant, nursing, or have a weakened immune system, the FDA recommends avoiding tuna altogether. If you do choose to eat tuna, buy tuna labeled as “low mercury” or “mercury-free” and limit your consumption to the recommended amounts.

You can also reduce your risk of mercury poisoning by avoiding certain types of seafood. Shark, swordfish, tilefish, and king mackerel are all high in mercury and should be avoided. Additionally, you should check the labels of canned tuna to ensure it is sourced from a sustainable fishery and is low in mercury.

The Bottom Line

Eating too much tuna can lead to mercury poisoning. To reduce your risk, buy tuna labeled as “low mercury” or “mercury-free” and limit your consumption to the recommended amounts. Additionally, you should avoid certain types of seafood, such as shark, swordfish, tilefish, and king mackerel. By following these guidelines, you can enjoy the health benefits of tuna without risking mercury poisoning.

Is salmon or tuna better for cats?

It’s no surprise that cats enjoy fishy treats, but what’s the best option for your furry friend? Both salmon and tuna have nutritional benefits, but there are some important differences to consider. Let’s explore the pros and cons of salmon and tuna for cats so you can give your pet the best possible diet.

The Benefits of Salmon For Cats

Salmon is an excellent source of lean protein and healthy fats. It’s also rich in vitamins A, D, and B12 as well as omega-3 fatty acids. Omega-3s are important for maintaining healthy skin and fur, and they may also help reduce inflammation. Additionally, salmon contains selenium, which is important for healthy thyroid function.

Cooked salmon is the safest option for cats. Raw salmon can contain parasites which can be dangerous for cats, so it’s best to avoid giving your pet raw fish. Cooked salmon is safe and easy to digest, making it a great choice for cats.

The Benefits of Tuna For Cats

Tuna is a rich source of protein and healthy fats, and it’s also a good source of vitamins A, B6, and B12. Tuna is also a good source of omega-3 fatty acids, though not as high as salmon. Tuna does contain some mercury, which can be toxic in large amounts. Therefore, it’s important to only give cats tuna as an occasional treat.

Canned tuna is the best option for cats. Canned tuna is cooked and much safer than raw tuna. However, it’s important to avoid giving cats tuna that’s packed in oil. This type of tuna is higher in calories and unhealthy fats which can lead to obesity and other health problems.

Which is Better For Cats: Salmon or Tuna?

When it comes to offering your cat fishy treats, salmon is the more nutritionally balanced option. Salmon is higher in omega-3 fatty acids than tuna, which can help keep your cat’s skin and fur healthy. Salmon also contains more vitamins, minerals, and other beneficial nutrients. Cooked salmon is also much safer than raw tuna, making it the better option for cats.

Offering your cat cooked salmon from time to time is a safe bet, while canned tuna should just be a once-in-a-while treat. Keep in mind that fish should only make up a small part of your cat’s diet. Your pet should still get most of their nutrition from a balanced diet of commercial cat food.

When you feed your cat fish, always make sure it’s cooked thoroughly and free of bones. Bones can cause choking or gastrointestinal obstruction, so be sure to remove any bones before giving your pet cooked salmon or tuna. Additionally, make sure to give your cat plenty of fresh water when they eat fish.

Safe Human Foods For Cats

If you’re looking to give your cat a special treat, there are plenty of safe human foods they can enjoy. Cooked eggs, plain yogurt, and cooked, boneless chicken are all great options. You can also give your cat cooked vegetables like broccoli, carrots, and green beans. Just make sure to avoid onions, garlic, and other foods that can be toxic to cats.

If you’re unsure about a certain food, it’s best to err on the side of caution and avoid it. Always consult your veterinarian if you have questions about what foods are safe for your pet.

Salmon and tuna can both be safe and healthy treats for cats, but there are some important differences to consider. Cooked salmon is the better option, as it’s higher in beneficial fatty acids and vitamins. Tuna should only be given as an occasional treat, and it’s best to avoid canned tuna that’s packed in oil. There are plenty of other safe human foods your cat can enjoy, so be sure to consult your vet for more information.


In conclusion, it is important to be aware of the risks associated with feeding canned tuna to cats on a regular basis. Although cats may find it tasty, the health risks of developing steatitis can be severe for cats. As such, it is best to avoid feeding cats canned tuna and opt for a more balanced diet.

It is important to remember that the health of your pet is paramount and that while they may enjoy their favorite treats, it is important to be mindful of their health needs. If you have any concerns about your pet’s diet, consult a veterinarian to ensure you are providing them with the best nutrition.

Ultimately, it is important to be aware that canned tuna can upset a cat’s stomach and lead to serious health complications. Being mindful of your pet’s diet can help to ensure they remain healthy and happy.

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