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External Pests
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Fleas, mites and lice can all cause intense itching in your cat. Flaking and scaling can also be present. The intense itching can cause open lesions that can allow bacterial infections to enter the skin. Consult your veterinarian if you suspect that your cat has an external pest infestation.
Infections
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Bacterial infections can occur at any site where the cat's skin has been broken through scratching, injury or inflammation. Antibiotic ointments are usually prescribed by the veterinarian to counteract the infection. Steroids may be given to reduce inflammation
Flea Allergies
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Cats can not only be troubled by fleas, but can also have an allergic reaction to the bite itself. This can cause intense itching, crusts and lesions at the site of the bite, and thinning of the hair. Your vet will be able to prescribe medications that help to reduce the allergic symptoms.
Environmental Allergies
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Cleaning products used in the home, pollen allergies and excessive sun or cold can also cause skin reactions in cats. It is often difficult to isolate the substance causing the problem. Seasonal allergies may also be a problem. Your veterinarian may prescribe antihistamines or steroids to reduce symptoms.
Food Allergies
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Food allergies can cause skin problems in cats, as well as intestinal problems and ear infections. To identify what food is causing the reaction, you must limit your cat's diet to just a couple of foods at a time for 12 weeks, with no extra treats or flavored medications, then replacing items in the diet with other substances. When symptoms are evident, you know which foods are at fault. Some cats may require homemade meals to ensure that allergic substances are not present.
Grooming Products
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If your cat has skin problems, you should pay particular attention to the kinds of grooming products you use on it. Many of these products have perfumes and other ingredients that can cause irritation or allergic reactions. You may wish to use unscented products or products with natural ingredients. Flea-control products can also cause irritation and reactions on the skin. Consult with your veterinarian for a suitable product if your cat has a problem with commercial flea control sprays or collars.
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Feline Skin Problems
Cats' skin problems can indicate a concern with their overall health or can be caused by a specific problem. Excessive scratching, chewing or licking is an indication that something is happening with your cat's skin. Fatty-acid supplements may aid irritated skin, as well as oatmeal or aloe vera sprays applied to the skin to reduce irritation.