This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Busulfan may cause: September 2007 \nSelect and explain. \nA. Cystitis, B. Pulmonary fibrosis, C. Loss of hair, D. Peripheral neuropathy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Pulmonary Fibrosis Toxicity of busulphan may include: Interstitial pulmonary fibrosis Hyperpigmentation Seizures Hepatic (veno-occlusive disease) Wasting syndrome. Phenytoin may be used concurrently to prevent the seizures. Levetiracetam, has shown efficacy for the prophylaxis against busulfan-induced seizures. Benzodiazepines can also be used for busulfan-induced seizures.', 'role': 'assistant'}]