I am suffering from back pain and leg pain for around 6 months. Sometimes I have swelling on left side of spinal cord.Also, feeling feverish all the time.MRI reports are normal.blood tests reports of crp, thyroid, B-12, calcium are normal. vit D3 level are deficient..but took medicines to correct that.Back hurts mostly while sitting. Pls help. From last 6 months I am unable to find exact root cause. Thank you.