Such neck pain and headache specially after accident is due to whiplash injury resulting from accident. The degenerative changes in spine in form of facet arthritis cause the pain.
Next Steps
Consult a pain specialist for treatment like cervical facet injection or occipital nerve blocks for relief. Start physiotherapy once pain is relieved.
Health Tips
1. Take a course of anti inflammatory drugs like Ibuprofen round the clock for 5 days to decrease inflammation.
2. Apply warm water bag or ice pack to affected areas as per convenience.
3.Start physiotherapy when pain is decreased.
4. MRI of cervical spine is required.
5. Follow good ergonomics at work.