hello,
It's likely a
spondylosis lumbar spine. It's a spine problem where you get pain and other symptoms due to compression of nerves between spine. So it will cause symptoms along the course of nerves.
Do you have any history of trauma to your spine, does this pain increases on neck movement, is it associated with tingling, numbness, needles and pins sensation, if yes then it further supports the diagnosis.
You ll Vit D level, x lumbar spine AP/ Lat view and further may need mri if x rays are not informative.
The treatment for this is
physiotherapy to release the nerve compression, traction, medicine and if none helps then Surgery.
Till the time you can have tab neurobion forte once a day which is a nerve vitamin and
diclofenac gel for local application. Also, you should get nerve stabilizer prescribed like Tab
pregabalin 75 mg which will stabilize the nerve and reduce pain. etc. You need to visit orthopedician for all these investigations.