Dr I have been expreciencing Low back pain on the left side for the last one year did an Mri , where the result -L4/5 - prosterior bulge indenting the thecal sac and touching the traversing roots at the lateral recess L5/ S1 disc- prosterior bulge indenting the thecal sac No major cauda equina compression seen i have been on medication ULTRAPLUS , BENCUS PLUS AND GABPENTIN and also the neuro doctor prescribed NUEROBIN INJECTION . There was improvement in the pain, and now suddenly i am having pain on the left side of the buttock cheeks, for the last fifteen days, done an Xray it is clear, i feel becuase of the injection , but it did not pain at that time, it started after 5 to 6 hours later, and also i am feeling shock like feeling in the head, but when i am sleeping the pain and shock is not there, it does not disturb the sleep, Kindly advise