Which first line antitubercular drug is bacteriostatic ?: (A) INH, (B) Rifampicin, (C) Ethambutol, (D) Pyrazinamide
Answer is C. Ans. is 'c' i.e., Ethambutol o All first line drugs are tuberculocidal except ethambutol which is tuberculostatic.Thberculocidal -Rifampin, INH, streptomycin, pyrazinamide.Tuberculostatic - Ethambutol, PAS, cycloserine, thioacetazone.