This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Which of the following drug causes additive anaemia and neutropenia if given to an AIDS patient on zidovudine? \nSelect and explain. \nA. Acyclovir, B. Amantidine, C. Ganciclovir, D. Stavudine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Gancyclovir is an antiviral drug used to treat cytomegalo virus. Zidovudine also known as azidothymidine a anti retro viral drug used in treatment of HIV. Gancyclovir shouldnot be combined with zidovudine since both have bone marrow suppressant propeies Ref:KDT6/e p 770', 'role': 'assistant'}]