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
Drug of choice for treatment of epiglottitis is 
Select and explain. 
A. Ceftriaxone, B. Sulphamethoxazone, C. Chloramphenicol, D. Clindamycin
A: Ceftriaxone
Answer: A: Ceftriaxone 
Explanation: 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