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: Medicine
[{'content': 'All are used in painful diabetic neuropathy, EXCEPT: \nSelect and explain. \nA. Phenytoin, B. Local use of capsicum, C. Dextroamphetamine, D. Amitrytline', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (Dextroamphetamine):,. Dextroamphetantine has not been mentioned as an agent fir treatment g'painlitl diabetic neuropathy.", 'role': 'assistant'}]