A. There is nothing over the counter that you can use for pain. To help ease the discomfort I would recommend starting some Omega 3 fish oils, and a joint supplement such as dasuquin. For really bad arthritis you may need to add an anti-inflammatory and pain medication that can be purchased at your vet. Weight loss would also help if her body condition score is high which I cannot assess and only your veterinarian could do that.
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