The main symptom of cat food allergy is that after feeding the cat food, the cat will itch all over the body soon or in the next few days. At the same time, the cat will lick the skin with its hind legs, tongue, etc., and then the skin will have red spots. There will be lumps, small red envelopes, etc., the hair will fall off, dandruff, etc., and some cats will not eat or eat a small amount, etc. If the cat appears abnormal after changing the food, it is suspected to be an allergy. First, the current food should be stopped immediately, and then the cat should be taken to the pet hospital for relevant examinations and anti-allergy treatment.

Causes of cat food allergy

Cat food allergy is mainly when cats are allergic to certain ingredients in cat food. The most common one is allergy to protein ingredients in cat food. . Moreover, many vegetarian foods are also likely to cause allergies in cats. Common ones include corn, soybeans, rice, flour, potatoes and dairy products. In many cases, allergic reactions to food are caused by a specific protein.

What to do if a cat is allergic to cat food

Once a cat is diagnosed with an allergy to cat food, it needs to be replaced with cat food immediately. It is recommended that the cat be fed hypoallergenic prescription food first, and then the cat be taken to the pet hospital for relevant examinations and anti-allergy treatment, otherwise the cat will develop gastrointestinal and skin diseases.

How to determine whether a cat is allergic to cat food

You can determine whether a cat is allergic to cat food in the following ways:

1. Owners can carefully check the ingredient list of cat food to see if it contains ingredients that cats are allergic to. If so, they need to change their cats to a new cat food. However, this requires knowing the cat’s allergens first. If the cat is allergic, you can take the cat to the pet hospital to check the allergens.

2. The owner can feed the cat a small amount of cat food. If the cat has symptoms such as erythema, vomiting, and diarrhea on the skin after eating the cat food, it also indicates that the cat is allergic to the cat food. You can choose low-fat food. Feed sensitive food to cats.