Let us know if the injections bring you the relief you are hoping for when you can. I haven't heard of that type of injection. Going to dr. tomorrow to discuss PRP and ill try to ask about hydroponic acid. This dr does not do surgery so he many have more than one possible fix. I was just reading today about low thyroid and its rellationship to osteoarthritis. Having Hashinoto's thyroiditis myself I am wondering if anyone else here has both hypothyroidism and osteoarthritis.