5th January 2024

A 30-year-old man who has recently started working in a flour factory a month ago presents with shortness of breath and dry cough

A 30-year-old man who has recently started working in a flour factory a month ago presents with shortness of breath and dry cough. He mentions that his symptoms worsen during the week and resolves when he is off work. Upon examination, his chest is clear, and his saturation is 95% on room air. His peak flow is 90% of predicted. Your working diagnosis is occupational asthma. What is the most appropriate next step in confirming your diagnosis?

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