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': 'Drugs contraindicated in infections mononucleosis is - \nSelect and explain. \nA. Ampicillin, B. Doxycycline, C. Atropine, D. Gentamicin', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Ampicillin o Ampicillin produces a high incidence of rashes, especially in patients with AIDS, EBV infection (IMN), lymphatic leukaemia and concurrent administration of allopurinol.", 'role': 'assistant'}]