Pain is only a symptom,not a disease...
You need to treat the root cause of low back pain,which could be due to disc bulge/stiffness of spine(spondylosis)/back strain/tight hamstrings etc...
Manipulative physiotherapy is the no.1 for these conditions in the western world,
Try it, Good luck
Next Steps
visit a Manipulative physiotherapists nearby
Health Tips
Don't bend forwards, stay in side lying position,
Don't do any exercises /yoga, when you are having pain,