26th April 2024

A 5-year-old boy is brought to the clinic with a high fever, difficulty swallowing, and a muffled voice that started suddenly this morning.

A 5-year-old boy is brought to the clinic with a high fever, difficulty swallowing, and a muffled voice that started suddenly this morning. He appears anxious, drools, and prefers to sit upright. His parents report no recent illness or sore throat. On examination, he has stridor, but no cough.

Which is the most likely diagnosis?