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Your pain appears neuropathic but you have not memtioned the diagnosis told by your doctor.
Ideally you need to get xray and mri
done for exact diagnosis.
Then appropriate treatment can be given.the drugs given to you are calcium and vitamin b which are appropriate but no analgesic
to relieve pain is prescribed.
Also analgesics are only for temporary relief of pain .
I would also suggest physiotherapy
for better result.