Common Foods Cats Are Allergic To

BY | July 20 | COMMENTS PUBLISHED BY
Common Foods Cats Are Allergic To

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Increased scratching and itching are signs of cat allergy. Approximately 10 percent of allergies in cats result from eating the wrong food. Other than inhalation and flea bites, food allergies contribute the most to the rise of scratching in felines. Do note that food allergies cannot happen in a space of 24 hours. The allergen, or food causing the allergy, was in your cat's system for an extended time period prior to the breakout.

Seafood, lamb, and beef

These three contain proteins that may lead to cat allergy. Many pet food manufacturers use alternative meats like duck and venison to side-step such complications. Meat byproducts are a few of the many causes. These include animal parts not consumed by humans. Skin, hoof, and tail are a few examples in this category. Cat food manufacturers process such meats. These results in cheaper foods with the tradeoff of less nutrition compared to actual and more expensive meat.

Vegetarian foods

Corn is yet another food causing allergies in cats. Pet food manufacturers use them as low-cost fillers. Both corn gluten meal and cornmeal cause food allergies in felines. Corns cause allergies to a majority of cats. If your cat develops dry and itchy skin after corn consumption, then it is allergic to this particular food. Many veterinarians also blame corn for incipient diabetes in cats. Wheat gluten could also cause food allergies in cats. Similar to corn, it is a kind of cat food filler. Avoid it as almost all cats are allergic to this specific food. Eggs are yet another food that you must not feed your cat. Be careful when you purchase cat food from the supermarket. A few pet food manufacturers may add eggs to pet food. This is common in canned pet edibles. Eggs are added to increase the quantum of protein. Cats will develop allergies to whites or egg yolks. Not all vegetarian products are safe for your cat. Soy products are a complete no-no. A few pet food companies incorporate soy to boost the protein component. As soy is derived from plants, your cat does not require this specific kind of protein. Do be careful before you feed your cat dairy products. A substantial number of felines may actually be allergic to the lactose found in cow's milk. A few pet foods may have dairy products added, like cheese. Many premium brands are found to add milk derivatives so it is vital you check the label. Preservatives and artificial food colorings are harmful to felines. The only purpose of coloring in cat food is to attract human owners. Preservatives may cause cancer in cats. These are included by cat food manufacturers to increase shelf life.

Hypoallergenic Cat Food Brands 

If your cat is having an allergic reaction to their food, there are a few different ways to cope with their dietary needs. There are some hypoallergenic foods on the market (many of which are prescription cat food) that contain only hydrolyzed proteins. These are proteins broken apart so that the immune system cannot recognize them as a triggers for allergies.

Another method for feeding your allergy-prone cat is to try different foods that will help you figure out what is causing the allergic reaction. Known as limited ingredient diets, these types of foods are a great option when combating a food allergy in your cat. Many brand-name cat foods contain a mix of different types of proteins, grains, and other ingredients, any of which could be the cause of their mealtime woes.

Limited ingredient foods provide insight into what, specifically, is triggering your cat’s reaction by removing certain likely-suspect ingredients. Each one contains only a single source of protein, so for example, if your cat is allergic to beef, you would be able to tell, because the beef-only food would give them a reaction, whereas a fish or chicken-only type would not.

Here are some of the most popular hypoallergenic or limited ingredient cat foods:

Royal Canin Hypoallergenic


Hypoallergenic PD Dry Cat Food

  • Limited ingredient (duck)
  • Complete balanced diet
  • Helpful for inflammatory bowel disease, gluten enteropathy, and exocrine pancreatic insufficiency


Hydrolyzed Protein Dry Cat Food

  • Hypoallergenic, using hydrolyzed soy protein
  • Single starch source (rice)
  • Promotes urinary health


Select Protein PR Dry Cat Food

  • Limited ingredient (rabbit, peas)
  • Safe for cats with certain sensitivities
  • Savory flavor


Select Protein PR Canned Cat Food

  • Limited ingredient (rabbit, peas)
  • Safe for cats with certain sensitivities
  • Delicious wet food your cat is sure to love

Natural Balance L.I.D. (Limited Ingredient Diet)

Natural Balance L.I.D. is a line of cat and dog food dedicated to providing a comprehensive set of options for pets suffering from a food allergy. One of the most well-rounded lines of limited ingredient pet foods, Natural Balance gives you a plethora of choices, making it easy to figure out specifically what ingredient it is that triggers your cat's allergies.


  Salmon Green Pea Dry        Chicken Green Pea Dry          Duck Green Pea Canned


Chicken Green Pea Canned        Venison Pea Canned

Hill's Prescription Diets

These prescription diets may be a good fit for your cat, depending on their other health needs.


Cat z/d Canned Food

  • Hypoallergenic food using hydrolyzed protein (rice, chicken)
  • Safe for cats with a variety of conditions
  • Delicious wet food formula


Cat z/d Dry Food

  • Hypoallergenic food using hydrolyzed protein (rice, chicken)
  • Safe for cats with a variety of conditions
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