Table 1. Groups of anti-tuberculosis (TB) drugs.

Group	Drug
Group 1 (first-line oral anti-TB drugs)	Isoniazid, rifampin, ethambutol, pyrazinamide
Group 2 (Injectable anti-TB drugs)	Streptomycin, kanamycin, amikacin, capreomycin
Group 3 (fluoroquinolones)	Ofloaxacin, levofloxacin, moxifloxacin, gatifloxacin
Group 4 (second-line oral anti-TB drugs)	Prothionamide, cycloserine, para-aminosalicylic acid
Group 5 (agents with unclear efficacy)	Clofazimine, linezolid, amoxacillin/clavulanate, clarithromycin, high-dose isoniazid