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Dr. Gary
Dr. Gary, Cat Veterinarian
Category: Cat Veterinary
Satisfied Customers: 3842
Experience:  DVM, Emergency Veterinarian, BS (Physiology)
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My 15 yr old cat, Sadie, while grooming started chewing off

Customer Question

My 15 yr old cat, Sadie, while grooming started chewing off the fur on her hind legs - evenly on both legs. I had her checked with my vet, and she had no fleas. The only thing different is that my vet had me start putting Frontline on my cats (I have four) monthly during last summer because fleas were found on one of the other cats during his exam. These have always been indoor cats. My vet said I could have brought in fleas on my jeans from getting them on me while working in the yard, etc. This cat's constant grooming/chewing on her back-end started the end of last summer 2015 and has continued to now - May 2016. Because she was doing this, I did not put any Frontline on her the last 2 months, but the chewing off the fur has continued. All of my cats have had their physical exams this year, and none of them have any fleas. I don't know if her actions of over-grooming her back-end are connected to the use of Frontline, or if it is just a coincidence. And the fact that she has done this so each leg looks alike is really strange. I don't know what she would be allergic to after all these years. The only other thing she has had is the I-131 radioactive treatment in December 2015 for hyperthyroidism which turned out okay. I have had other cats get this radioactive treatment and there have been no side effects. Any idea why she is chewing off her hind-end/legs fur from the constant grooming - never did this before.
Submitted: 6 months ago.
Category: Cat Veterinary
Expert:  Jennifer Welsh replied 6 months ago.

Hello! I am Dr Welsh and I am happy to help with your questions today. I am reviewing your question now if you would give me just a few minutes to type my reply so that I can get you the best possible answer.

Expert:  Jennifer Welsh replied 6 months ago.

I just have a few questions for you.
How long has this been going on?
Any changes to her diet?
Any changes to environment (new pets, furniture, people, etc?)

eating and drinking ok?
Litterbox habits normal?

Expert:  Jennifer Welsh replied 6 months ago.

Are you still there?

Expert:  Jennifer Welsh replied 6 months ago.

computer error, typed in wrong box