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My 11-year-old dog's rheumatoid factor is high. What should I do?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 9 years and 9 months old | 22 lbs

Hello. My dog is 11 years old. Her reumatoid factor is 24. Is it too high and what should I do?

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1 Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on September 16th, 2017

Unfortunately, rheumatoid factor is sometimes present in dogs without rheumatoid arthritis, and not all dogs with rheumatoid arthritis test positive for the factor. That means that this value should be interpreted in combination with reference ranges given by the lab and clinical signs. Please write to us these more pieces of informations to have more specific answers.

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