Doctor at ER didn't take me serious, no help w/ back pain, advice?

I had the same type of pain and they did a disc o gram on me and it turned out I had a torn disc. I have had two surgeries to correct it. You may have a torn disc, or a bulging disc which is pushing on your nerves causing the pain down your legs. You need to get into an orthopeadic doctor soon or it could keep getting worse. I hope this helps.