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
Pentamidine therapy causes all, EXCEPT ? 
Select and explain. 
A. Upper lobe infiltrates, B. Cavitation, C. Extrathoracic manifestation, D. None
D: None
Answer: D: None 
Explanation: Ans. is None o Patients who receive aerosolized pentamidine have increased frequency of upper lobe infiltrates. Pneumothorax also occurs. o Risk factor for extrapulmonary spread in patients with HIV is the administration of aerosolized pentamidine. o In patients with PCP who have been receiving aerosolized pentamidine for prophylaxis, one may see an X-ray picture of upper lobe cavitary disease.