A middle aged old man, with chronic renal failure is diagnosed to have sputum positive pulmonary tuberculosis. His creatinine clearance is 25m1/min. All of the following drugs need modification in doses except-: (A) Isoniazid, (B) Streptomycin, (C) Rifampicin, (D) Ethambutol
Answer is C. Ans. is 'c' i.e., Rifampicin