Hello I am Dr. Joey. Thanks for trusting me to help you and your pet today. I am a licensed veterinarian with over 15 years of experience. I look forward to working with you.
What kind of symptoms does Gabby have to make you and your vet suspect she has arthritis. At her age, certainly she must have some level of arthritis. I want to ensure we are seeing stiff gait, trouble jumping, slow to rise/sit and perhaps lameness. But if all she has is weakness in hind end or lamenss, this may not be simple arthritis. There are other concerns to think about such as a back issue. Has she had radiographs (xrays) to confirm she has arthritis?
IF she showed absolutely no improvement with Rimadyl, I am not certain you will see much different with PRevicox. They are both great drugs, but in the same category of pain relief products (nonsteroidal antiinflammatory medication similar to aspirin). If you feel that she is truly painful with documented arthritis (via xrays), and there was no improvement with these medications, I might be inclined to recommend try a different category of medication such as gabapentin or tramadol. Or even turn to alternative therapies like acupuncture.
The lack of response to rimadyl may suggest this is not pain related to arthritis, and in my opinion, makes taking xrays even more important. We need to be certain there is not another issue such as a bone tumor or infection, or a back problem that would be so painful that even Rimadyl (or others in this category of drugs) may not work well.
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