Treatment categories and regimens for TB patients in India.

PTB = Pulmonary tuberculosis: EPTB = Extra pulmonary tuberculosis.*In children, seriously ill sputum smear-negative PTB includes all forms of sputum smear-negative PTB other than primary complex. Seriously ill EPTB includes TB meningitis (TBM), disseminated TB, TB pericarditis, TB peritonitis and intestinal TB, bilateral extensive pleurisy, spinal TB with or without neurological complications, genitourinary TB, and bone and joint TB.**Not seriously ill sputum smear-negative PTB includes primary complex. Not seriously ill EPTB includes lymph node TB and unilateral pleural effusion.***Prefix indicates month and subscript indicates thrice weekly.H = Isoniazid, R = Rifampicin, Z = Pyrazinamide, E = Ethambutol, S = Streptomycin, Km = Kanamycin, Levo = Levofloxacin, Eto = Ethionamide, Cs = Cycloserine,