5 weeks pp back pain

I was wondering if I am post to be in really bad back pain 😅 this is my 4 th baby but I have never had this kind of pain. My back is killing me. I think it’s cuz they f up my 1st epidural. I had to get other person to fix my epidural. But it’s been 5 weeks now and my back is still hurting really bad. What should I do to relieve my back pain ?