Can lumbar injury increase? Medical Professionals ONLY please...? I was in a car accident recently and at first I didn't think I was a injured until later that evening. I had my roommate take me the ER where they said there was no fracture, and the next day my family doctor said it was a lumbar sprain. But the pain has been getting worse and there have been other embarassing symptoms starting to occur.
Is this normal for a lumbar sprain or could it be more severe?

Summarized question: Can the symptoms of lumbar injury after a car accident be delayed and increase progressively?