Which of the following antitubercular drugs can be safely used in severe renal failure :: (A) Streptomycin, (B) Ethambutol, (C) Capreomycin, (D) Rifampicin
Answer is D. Streptomycin and capreomycin are nephrotoxic whereas ethambutol accumulates in renal failure and thus should be avoided in presence of severe renal failure.