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': 'Azidothymidine (Zidovudine), commonest side effect is \nSelect and explain. \nA. Hyperuricemia, B. Pancreatitis, C. Peripheral neuropathy, D. Macrocytic anaemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., Macrocytic anaemia "The most common adverse effect of zidovudine is myelosuppression, resulting in macrocytic anemia (1-4%) or neutropenia (2-8%)". So most common side effect of zidovudine is neutropenia (2-8%) followed by macrocytic anemia (1-4%). Other side effects are - nausea, anorexia, headache, insomnia, abdominal pain, myalgia, malaise, fatigue, myopathy, lactic acidosis, hepatomegaly with steatosis, convulsions and encephalopathy.', 'role': 'assistant'}]