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': 'If a patient is allergic to penicillin and antibiotic prescription is an absolute need in endodontic treatment than which of the following antibiotic can be given: \nSelect and explain. \nA. Clindamycin., B. Clavulanic acid., C. Doxycycline., D. Erythromycin.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: “For those patients who are allergic to penicillin\xa0or cephalosporin, the recommended antibiotic is clindamycin (600 mg per os, 1 hour before procedure".', 'role': 'assistant'}]