Hi welcome to Health care magic forum.
Thanks for calling H.C.M.Forum.
Your brother had an accedent few months back, now getting
backache, Xray showing loss of normal
lumbar lordosis, due to muscle spasm,
lumbar spondylosis, mild superior end plate compression, of d12 vertibraanteriorly could be post traumatic.
After few months means may not be related to the actual
injury, the things to be treated symptomatically, to the present condition.
Besides treatment of orthopedic surgeon, you try to sleep in a hard bed mostly in supine position, minimise weight bearing.
Avoid taking potato, other tubers, tomato, egg, chicken, and sea foods.
Wishing for a quick and complete recovery.
Best regards.