I was suffering from tuberculosis in lungs and started medicine on 20 June 2017. After 8 months of treatment with rifampicin, Isoniazid etambutal, pyrazinamide, it didn't got cured. Then forecox started with streptomycin from 9th March but then I got lymph note tb, doctor with these medicines only this will go, but the lump is increasing. My cbnaat of cough showing MTB detected low, but Genexpert of lymph is showing MTB detected medium. Both test has rifampicin resistance Not detected. What should be I do. Still forecox with streptomycin is continued. What is the maximum days streptomycin can be continued?