<prompt> All of the following are drugs for ATT except ?KanamycinCycloserine5-flucytosineOfloxacin  <response>: Ans. is c i.e., 5-flucytosine Antitubercular drugs o First line -- Isoniazid, rifampin, ethambutol, streptomycin, pyrazinamide. o Second line -- Thiacetazone, PAS, ethionamide, cycloserine, kanamycin, amikacin, capreomycin, ciprofloxacin, ofloxacin, clarithromycin, Azithromycin, rifabutin. 