There is more to knee joint than just bones. So a normal x ray doesn’t help at all in diagnosis of your knee pain. OA again is a very generalised term. By itself it has doesn’t help to manage your problem.
First, we need clinical examination to find out if your pain is coming from tibio femoral part or patello femoral part. If your pain is more on climbing, getting up and down, then more likely patella is involves.
Second: to see if you have weak quadriceps and gluteal muscles and if you have flat feet. They contribute to stress and strain on the joint and cause pain.
Third: if you have
vitamin deficiency.
An alert clinician, looks at these aspects to arrive at a conclusion as to what should be your treatment. Whether you need just medications or a proper rehabilitation to improve your muscles.
There are many modalities for early arthrosis, like vissco supplement injection, joint axis correction surgeries. But they al have they appropriate role depending on each case.
You just see ur knee specialist and discuss these aspects