Tubercular spondylitis (TB spine) is usually painful. As any brace and even bed rest can't prevent movements at diseased levels; pain is the common complaint. You should take diets rich in protein and calcium and take meds regularly. U need to undergo a blood test once a month ( ESR) to see the disease activity. If everything goes fine u l be cured of tb. You can visit hospital for clinical examination to rule out other causes of pain