The most effective antitubercular drug against slow multiplying intracellular mycobacteria ?: (A) Rifampicin, (B) Isoniazid, (C) Pyrazinamide, (D) Ethambutol
Answer is A. Ans. is 'a' i.e., Rifampicin o Isoniazid is bacteriostatic for resting bacilli, but is bactericidal for rapidly dividing microorganisms. -- G & G o The bactericidal action of rifampicin covers all subpopulations of TB bacilli.