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: Dental
[{'content': 'Drug of choice for impetigo herpetiformis is – \nSelect and explain. \nA. Prednisolone, B. Dapsone, C. Acitretin, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Impetigo herpetiformis can usually be successfully treated with topical and systemic corticosteroids.', 'role': 'assistant'}]