MediumRespiratoryAsthma control and controller therapyca-mccqe1ca-ccfp
A 27-year-old man with a 5-year history of asthma uses a salbutamol inhaler several times per week for symptoms and nocturnal awakenings twice monthly. He is not on any controller medication. Spirometry confirms reversible airflow obstruction. According to Canadian Thoracic Society guidance, what is the most appropriate next step in management?