This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
[{'content': 'Drug of choice for treatment of epiglottitis is \nSelect and explain. \nA. Ceftriaxone, B. Sulphamethoxazone, C. Chloramphenicol, D. Clindamycin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ampicillin or third generation cephalosporins are effective against H. influenzae and are given by parenteral route (i.m. or i.v.) without waiting for results of throat swab and blood culture. Ref: PL Dhingra 7th edition of Ear, Nose and Throat; Pg no 328', 'role': 'assistant'}]