U need to start with physiotherapy sessions...IFT / hot pack / US...go for few blood test... like
calciumvitamin d vitamin b 12 and if these test come deranged then have supplement medications for that...get well soon take care...
Next Steps
Visit a physiotherapist at the earliest
Health Tips
Do not exercise or attain a uncomfortable position
Be in your comfort zone
Do not check your pain
Do not sit or stand for long
Postural correction is needed
Do not lift heavy weights
Do not sit on low stools / chairs / soft sofas