This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'The most potent topical coicosteroid is: \nSelect and explain. \nA. Hydrocoison butyrate cream 0.1%, B. Betamethasone Valerate cream 0.1%, C. Clobetasol propionate cream 0.5%, D. Clobetasone butyrate cream 0.5%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The most potent topical coicosteroid is betamethasone. It is similar to dexamethasone. used for eczema, dermatitis, allergies, rash (REF.Essential of medical pharmacology K D TRIPATHI 6 Edition - Page No 282)', 'role': 'assistant'}]