Practice question

Answer the question and get instant feedback.

EasyRespiratory medicine

A 35-year-old nonsmoker presents with a chronic, nonproductive cough for the last 8 weeks. Chest examination is normal, and CXR is clear. Asthma has been ruled out. Which of the following is the most likely cause of his chronic cough?

Educational content. Not a substitute for clinical judgement or local policy.