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': 'Potassium iodide is useful in the treatment of ? \nSelect and explain. \nA. Sporotrichosis, B. Impetigo, C. Viral was, D. Dermatitis herpetiformis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Sporotrichosis o Previously oral saturated solution of KI was used for sporotrichosis but now oral itraconazole is the drug of choice for cutaneous and lymphocutaneous sporotrichosis.", 'role': 'assistant'}]