vertigo is due to thecal sac compression which causes csf flow irregularity and mobility of cervical spine...disc bulge you need to wear cervical collar for few weeks while walkinf or any kind of movement...better to consult some neurosurgeon with your films as report are not enough to comment on further plan of management whether surgical or conservative treatment with medicines and collar only...
Next Steps
consult with Neurosurgeon
Health Tips
Use soft cervical collar to restrict neck movements