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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Antitubercular drug which is least hepatotoxic: September 2010
assistant
The correct answer is  Ans. C: Ethambutol The single biggest problem with TB treatment is drug-induced hepatitis, which has a moality rate of around 5%. Three drugs can induce hepatitis: PZA, INH and RMP (in decreasing order of frequency). It is not possible to distinguish between these three causes based purely on signs and symptoms.