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Cat has abnormal CBC. Worried.
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StephenH posted:
Our 13 year old cat Mischa's CBC came back abnormal. I scanned the results to http://realtytraining.org/mischa/

The vet as usual didn't explain much except that she has an infection and needs to be back on antibiotics. Is this anything to be concerned with? She's had a chronic sinus infection that we've been using Clavamox to combat but it only has been helping a little. Our vet prescribed Zithromax but she's eating now and has only clear discharge from her nose so we don't want to start a new round of antibiotics until she gains some weight back
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AMERICAN VETERINARY MEDICAL ASSOCIATION
Drew Weigner, DVM, ABVP responded:
You're right to be concerned about your cat. Her CBC shows markedly elevated white blood cells, which is an indication of severe inflammation. One common cause of inflammation is infection, so it's significant that she's improved on antibiotics. Once this round is complete, she should have her CBC rechecked to make sure it's returned to normal. If not, the next step is to look for other sources of inflammation including cancer, autoimmune diseases, inflammatory diseases, etc. If she continually needs to take antibiotics, there is likely some underlying condition that needs to be addressed.

Drew Weigner, DVM, ABVP
The Cat Doctor
Board Certified in Feline Practice