29th September 2021

A 24-year-old junior doctor presents with a runny nose and itchy, red eyes

A 24-year-old junior doctor presents with a runny nose and itchy, red eyes. He has noticed these symptoms have coincided with the arrival of his new pet dog. The symptoms are only present at home and settle when at work. Given his most likely diagnosis, what one investigation might the GP want to perform to confirm their suspicion?

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