A 4-year-old boy is brought to the emergency department by his parents due to a widespread rash. He recently immigrated from a region with low immunization rates and has not received any childhood vaccinations. For the past four days, he has had a high fever, severe cough, runny nose, and red, watery eyes. Yesterday, a red, non-pruritic rash appeared on his face and has since spread down to his chest and back. His temperature is (), pulse is , and respirations are . Physical examination reveals a generalized erythematous maculopapular exanthem. Examination of the oral cavity shows tiny white spots on a red base on the buccal mucosa opposite the premolars. The patient is placed in an airborne isolation room. Which of the following is the most appropriate pharmacotherapy for this patient's underlying condition?
- Administer oral vitamin ACevap
- BAdminister intravenous ceftriaxone
- CPrescribe nebulized albuterol
- DAdminister live-attenuated measles, mumps, and rubella (MMR) vaccine
- EPrescribe oral amoxicillin-clavulanate