About 9 weeks ago, I was hit really hard in the right thigh. Ever since then, I have been experiencing pain in my legs and feet (primarily in the right side, but it seems to shift around for no apparent reason). The pain goes away for a day or two at the longest, but always comes back. For the past four to five weeks I've also been experiencing numbness/tingling/pins and needles in my hands and feet, which also comes and goes. I've had x rays and blood tests (CRP, ESR, rheumatoid factor, Lyme Disease), and am at my wit's end.
Could this be a neurological problem?