This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Hepatotoxic drugs are All except \nSelect and explain. \nA. Methotrexate, B. Isoniazid, C. Cycloserine, D. Ethionamide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer KDT 6/e p 744 Rifamipicin,INH ,pyrazinamide are first line drugs for TB that are Hepatotoxic Cycloserine does not cause hepatotoxicity .Its major adverse effect is neuro psychiatric reactions', 'role': 'assistant'}]