28th October 2020

A 17-year-old girl presents with a 14-day history of bouts of coughing, which are worse at night

A 17-year-old girl presents with a 14-day history of bouts of coughing, which are worse at night, she has vomited on two occasions afterwards. She has also had a fever and coryzal symptoms. She currently has no other medical problems and has received all of her childhood vaccines. On examination her chest is clear; however, you notice an inspiratory whoop when she coughs. What is the most likely diagnosis in this patient?

Select the SINGLE most appropriate option from the list below. Select ONE option only.