Vitamins Deficiency If your pain keeps coming back despite physiotherapy, posture correction, or regular exercise, the problem may not always be your spine, joints, or muscles. Chronic pain often continues when the Is sciatica causing the sharp pain in the lower back and leg? Why Do I Feel Worse After My B12 Injection: 6 Body Reactions Lumbar Epidural Steroid Injections for Low Back Pain and Sciatica Vitamin B12 Injections for Neuropathy Footmedic