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
Pulmonary fibrosis is the most common complication after treatment with - 
Select and explain. 
A. 6- mercaptopurine, B. Vincristine, C. Bleomycin, D. Adriamycine
C: Bleomycin
Answer: C: Bleomycin 
Explanation: Ans. is 'c' i.e., Bleomycin Drugs causing pulmonary fibrosis Acyclovir Busulphan Cyclophosphamide Gold Mitomycin C Amiodarone Carmustine Nitrofurantoin Melphalan Sulfonamides Bleomycin Chlorambucil Procarbazine Methysergide Penicillamine Methotrexate