Hi I Was Rear Ended In A Car Accident 6

Hi I was rear ended in a car accident 6 months ago had a MRI and my doc said I have whip lash and spondylosis in L1 and L2 I have been going to physiotherapy for abot 10 weeks and I am no better stil a lot of pain in my lower back and down my leg and neck and shoulder what do I do how long will I be like this will I ever get better I can not sit in a car to long can not go back to work please help