Thanks for your query.
Apex of the lung is commonest site for lung tuberculosis
. As per the protocol if the patient is sputum negative for TB , he should take a short course of antibiotic. If the lesion clears radiologically then its OK. But if it remains then it is strongly suggestive of tuberculosis.
At this juncture, You should go for two sputum examination, One of the two must be early morning sputum.
Tb is fairly curable disease. It is 6 months treatment consisting of four drugs Isoniazide, rifampicin
. The doses are according to body weight. You can get these free at DOTS centre nearby you.
The only thing is you must be loyal to the treatment otherwise it will develop into multi-drug resistant TB, which is costly and very problematic to treat...