I had a fusion for a car accident 3 1/2 weeks ago. It was redone 7 weeks after the original fusion because one of the vertebrae was so damaged it had to be replaced with a titanium cage. My fusion goes from T10 to L3. Both surgeries are causing horrible back spasms. Is this normal? And if so, when can I expect then to go away? Please help. Scared of a lifetime of pain.