This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (E.N.T.), Subject name: ENT
Epiglottitis in a 4 year old unvaccinated child at home. What to be done? 
Select and explain. 
A. Vaccination, B. Ampicillin 4 days, C. Rifampin for 4 days, D. Doxycycline
B: Ampicillin 4 days
Answer: B: Ampicillin 4 days 
Explanation: (B) Ampicillin for 4 days# AMPICILLIN OR THIRD GENERATION CEPHALOSPORIN are effective against H. influenzae and are given by parental route (i.m. or i.v) without waiting for results of throat swab and blood culture.