Tuberculosis as a child, after a standardized treatment well, generally does not have the role of immunity to tuberculosis.
Tuberculosis is caused by infection with tuberculosis bacillus, this bacterium runs to the lungs, destroying the alveoli, after regular, full course of medication, the human body in the repair of this destruction of lung tissue, there will be some scars, because once the lungs are damaged, it is not able to return to normal, this scar is accompanied by a lifelong will not disappear.
It is the existence of this scar, in the review of the film or CT, will be found in the strips of nodules calcified points, in the internal of these nodules and strips there may be some dormant tuberculosis bacilli, when our body’s immune system declines, such as diabetes, with a large dose of hormones, dormant tuberculosis bacilli will break through our immunity, resulting in the recurrence of tuberculosis again.
If you develop symptoms of TB infection, you should go to a nearby hospital.