Pain you are experiencing is root pain due to compression of nerve when it is exiting from vertebrae. It is postural in nature due faulty posture. Faulty posture leads to strain over para spine muscle, which further compromise neural canal that leads to nerve compression.
You can use muscle relaxant with or without pain killers and Physiotherapy.
Next Steps
For further consultation regarding your symptoms you can reach clinic or do online consultation.
Health Tips
Do not lift heavy weight.
Do not bend forward.