When a cat's body gets sensitive to its environment, it develops allergies. So, if you notice that your cat is feeling unwell and is constantly sneezing or scratching itself, it could be due to cat allergy reactions. These allergens are unpleasant substances that may or may not irritate you, but when your cat's body tries to rid itself of them, it may exhibit a variety of symptoms.
While it’s normal for cats to show different symptoms depending on the allergy, those that affect their breathing are the most serious ones. So, if your cat suffers from breathing issues due to allergies, it can take a life-threatening turn. Sometimes, the itchiness can also cause skin irritation leading your cat to chew on its paws or tail relentlessly.
Fortunately, cat allergy is treatable once the allergen affecting your cat is identified. Therefore, knowing how to detect if your cat has allergies and what’s causing these allergies can help you prevent problems in the future.
The first step toward treating your cat’s allergies is finding out what’s causing them. A visit to the veterinarian is the simplest way to identify your cat’s allergy stimulus.
Causes of cat allergies could be due to several reasons, all of which fall under one of the three categories. These categories are, namely – flea allergy, food allergy, and environmental allergy (atopic dermatitis).
One of the most common cat allergy signs is flea allergies. These allergies are generally caused by flea bites or flea treatment medicine. Excessive itching is the most predominant symptom of this type of allergy. It's likely that your cat is allergic to fleas if you find it scratching or frequently chewing on its fur, especially directly above the tail.
Food allergies in cats can cause vomiting, diarrhea, and even itchy skin, especially around the neck and head. This type of allergic response might cause your cat to shed patches of fur in severe circumstances. In such extreme cases, your vet can help you detect which foods are causing irritation and develop an appropriate diet for your cat.
Environmental allergies may have different triggers, including plants, pollen, and mold. This type of allergy can also be induced by cleaning products, or the fragrance included in some types of cat litter. Another type of environmental allergy is feline atopy. It is commonly known as feline atopic dermatitis, a severe allergic reaction in cats that causes extreme itchiness in their skin. As a result of this condition, your cat may suffer from skin soreness, redness, scabbing, and even hair loss.
Depending on the kind of allergy your cat has, symptoms can range from unpleasant to life-threatening.
Diarrhea is frequently related to staining of the fur around the hind end in some breeds. In normal cats, you can observe some variation in the consistency of their stool. Dietary changes can also cause temporary changes in their stool. But, if you notice frequent semi-liquid or liquid stools for more than two days, you should consult your vet.
There are different causes to why a cat makes a wheezing sound. It could be due to a hairball stuck in its stomach or allergens like pollens, mold, or cigarette smoke. However, this wheezing sound can also be linked to discomfit or stress. Because each cat's triggers are unique, it's critical to be aware of the surroundings and activities in your cat's environment that could be causing stress-related wheezing.

Watery or glossy-looking eyes are other prominent cat allergy signs. While a cat's moist eyes maybe caused by allergens such as mildew dust or household cleaning products, it could also indicate something more serious, such as a bacterial illness or virus.

Itchiness or skin redness in cats is associated with a skin condition called cat dermatitis. When this happens, your cat’s skin becomes swollen, red, and irritated, often with small blisters, as a result of an external agent directly irritating the skin or causing an allergic reaction to it.

If your cat is suffering from moderate allergy symptoms with only limited itching, medicated shampoos or rinses can help.
Anti-itch and anti-inflammatory medicines such as corticosteroids are particularly effective in treating extreme itchiness in cats. When used correctly, they can be quite safe and effective in cats. Consult your vet to identify the best course of action.
Treating your cat with flea preventatives will prevent your cat from being bitten by fleas. Plus, to lessen the chances of your cat being bitten, you should treat your home during the warmer months when fleas are more frequent. In fact, even cats who aren't allergic to fleas should use a flea preventative to avoid tapeworm and other flea-related illnesses.
To figure out which food is causing your cat's allergies, you must first put it on an elimination diet. After that, gradually reintroduce food items until you find the problematic allergen. The top three allergenic protein sources are beef (18%), fish (17%), and chicken (5%). Avoiding these foods will enable your cat's allergic reaction to be less severe.
The most common allergy symptoms in cats are skin reactions, regardless of the cause, and they can appear at any age. Just because your cat didn’t have allergies as a kitten doesn’t mean she won’t have them as an adult. If your cat suffers from any of the following symptoms, take her to the vet for a consultation:
Allergies can vary from cat to cat, so it is important that you work with your vet to make sure your cat gets the best possible treatment. You’ll both be happier as a result.


Cats are sensitive to a wide range of allergies. Cats, like people, can be allergic to a variety of foods, drugs, plants, and other things. However, flea, environmental, and/or food allergies are the most common allergies in cats.
Keeping your home clean, using dust-free and unscented cat litter, using flea preventatives regularly, avoiding excessive fragrances, and not smoking in the house can help keep your cat from being allergic.
If your cat suffers from allergies, some of the most frequent allergic reactions will trigger certain behaviors, conditions, and even symptoms like:
It depends on whether your cat has skin or food allergies. If your cat eats nothing but novel food and water for eight to ten weeks, the allergic symptoms in its skin will fade away. But if it is related to food allergies, then you need to find a diet that works for your cat and stick to it.
Most cats with inhalant allergies are allergic to a variety of allergens. Itching may only persist just several weeks at a time during one or two seasons of the year if the number of allergens is low and seasonal. The cat may scratch frequently if there are a lot of allergens or if they are there all year round.

Every cat owner recognizes the warning signs of an upset feline stomach: the mournful meow, gagging and the heaving retch. But just as suddenly as it began, your cat returns to good health while you’re left scrubbing the carpet.
The scenario is a familiar one for Cynthia Bowen of Cleveland, Ohio. As the owner of four Maine Coons, Bowen has cleaned her share of messes. “It would happen every couple of months or so,' she says. 'Otherwise, they were perfectly healthy.'
Although it's not a pleasant subject, vomiting is something cats seem to do on cue. Many cat owners accept this as a natural part of owning a pet, but it doesn’t have to be that way. Knowing what triggers an upset stomach and what you can do about it will make for a better relationship with your cat.
Many owners attribute their cat’s vomiting to hairballs, but that’s not the only culprit. “It’s careless to assume that most cases of vomiting in cats are due to hairballs,” says Dr. William Folger, a DVM from Houston. Two other frequent causes of an upset stomach are eating too fast and curiosity.
Cats sometimes eat too much too fast. When the stomach wall expands too quickly, a signal is sent to the brain to cause regurgitation. In these cases, the mess on your floor is from regurgitation, not actual vomiting. When a cat regurgitates, she brings up fluid and food from her esophagus by opening her mouth — unlike vomiting, which involves gagging and retching.
Regurgitated food is still formed and may smell fermented. “Cats that eat too quickly because they are gluttonous or stressed by food-bowl competition can regurgitate right after eating,” says Dr. Sara Stephens, a DVM from Montana. But don’t assume regurgitation is always a case of eating too quickly. It could be caused by esophageal problems, obstruction of the digestive tract, hairballs or dehydration. If you’ve forced your cat to eat slowly and she still has problems, contact a veterinarian.

Grass, carpet and toilet paper are just a few things cats may digest and later vomit. The vomiting is a protective mechanism — nature’s way of cleansing your cat’s system. Sometimes, though, curiosity can lead to more serious problems. String, toy parts and feathers are favorites of playful felines and can lodge in the stomach or intestine, causing repeated vomiting and severe distress. If your cat exhibits these symptoms, take her to a veterinarian immediately. Surgery is often necessary to remove the object.
Repeated cat vomiting should never be ignored because it can lead to dehydration. But because vomiting is common in cats, how do you know what’s normal? “A general guideline is that if the cat is vomiting one to three times a month, we consider this normal,” says Dr. Folger.
He considers it serious if the vomiting occurs twice daily for two or three days. If your cat stops eating, seems to have stomach pain or retches continuously, or if the vomit is mixed with blood, take her to a veterinarian. And as always, if you’re suspicious that a lingering problem could be harmful to your pet, call your veterinarian. A visit to the office can help relieve your cat’s discomfort and your worries as well.
Often, owners accept their pet’s vomiting as a natural part of their behavior, but just because cats seem to have more than their fair share of stomach issues doesn’t mean you don’t have options.

One simple preventative measure is to get your fast-eating cat to slow down or to simply eat less. Dr. Stephens recommends feeding smaller portions, elevating your cat’s food dish slightly or putting an object, such as a ball, into the dish. The cat will be forced to eat around the ball, thus slowing her intake. If you do this, make sure the ball isn’t small enough to swallow. And you may need to feed cats in a multiple-cat household at different times and places to reduce competitive eating.
If simple solutions don’t work, watch your cat’s eating behavior and reactions. Bowen, for example, tried changing her cats’ diets. “Since switching to IAMS™, they rarely throw up,” Bowen says.
“Usually, when you change to a higher-quality diet, there is no problem,” Stephens says. Here are some tips for helping make sure your cat’s food transition is as successful and comfortable as possible:
If your cat vomits more than three times a month or has chronic stomach issues, you can take several steps to help resolve her discomfort. With your veterinarian’s help and a little effort on your part, your cat’s stomach issues can be a thing of the past.