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
Drugs contraindicated in infections mononucleosis is - 
Select and explain. 
A. Ampicillin, B. Doxycycline, C. Atropine, D. Gentamicin
A: Ampicillin
Answer: A: Ampicillin 
Explanation: 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.