thanks for posting your query to HCM. Spine TB is a infection caused by bacteria Mycobacteriam tuberculosis . AKT2 and AKT 3 contain frist line drug for treatment of tuberculosis. its duration is long up to 2 year depend upon responce of patient as it is very difficult to treat spine TB cases. I suggest you to undergone a culture and sensitivity examination for organism as resistance to drug is incresing in Mycobacterium . You need to consult to your spinal surgeon for collection of specimen for culture of mycobacteria . You should be very care ful about his disease and donot break treatment any how, continue treatment till his cure .SOme time it require surgical intervention for releief . hope this information will be sufficient for your query . rate me if you are satisfied with my answer .feel free to ask.