What Is The Treatment For Spinal Tuberculosis?

my son is 14 years old, now his weight 15 killo 4 feet tall, and was ill for two months, but two weeks back we went to see a private doctor who dygnose him as a spnal tb, but it cannnot be cure in my country,we gonna take him to another country,his one leg is paralises, how long will it stay body befor it kill.