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What Are Cat Allergy Symptoms?

The following is an excerpt from Petfinder’s FurKeeps Kickoff live Facebook Q&A.

Q: I have 5-year-old female cat who has developed a sensitive area of skin on her back, right over her hindquarters. When I run my hand down her back and touch the area she behaves as if it is really itchy. She makes licking motions and meows a little if I brush or prod the area.

What Are Cat Allergy Symptoms?


The fur/skin under the area doesn’t appear different. I have noticed a marked increased in dandruff and her shedding has also increased quite a bit. She went through this before, and the dandruff and general shedding became much worse over time. Could this be a food allergy or a flea allergy?

When she had the symptoms last time, they stopped when I switched her food and also changed to a different flea medication at the same time. I assumed it was the flea medication working better. But now the same symptoms have returned.

A: When you have areas of the back with increased dander I usually think of a few things. When a cat gets overweight and/or lazy, she sometimes won’t take her built-in comb (her tongue) to groom the middle of her back.

Food allergies usually manifest themselves on the heads of cats (although a diet change may bring more essential fatty acids to the skin, which cuts down inflammation).

The other issue you may see is hyperesthesia syndrome, in which the back is more sensitive/itchy/responsive. It is usually not treated.

Other allergies can cause the back to be itchy as well. If the symptoms are very mild, treatment may not be warranted.

Lastly, the cause could be pain originating from the back.

Dr. Grant Gugisberg, D.V.M.
Parkview Cat Clinic
Mendota Heights, MN

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