if pain is still persistent then stop the pain killers, that will effect your
kidney and stomach. and consult physiotherapist or orthopedic doctor. they will assess you and accordingly treatment will be executed, and better to go for MRI lumbar spine. and check your
vitamin B12 and D3 level.
Next Steps
once the report of MRI will come that will provide us clear picture of your pain, and if there is and disc bulge/protrusion/extrusion/sequestration etc. dont do any exercise without proper guidance.
Health Tips
dont sit for long hours, avoide sofa, and use plastic hard chair, dont bend forward, dont lift heavy weight, do exercises under the guidance of professional.