The Prevalence and Impact of Allergic Rhinitis on Asthma Exacerbations in Asthmatic Adult Patients in the Qassim Region of Saudi Arabia: A Cross-Sectional Study.

Objective We aim to evaluate the prevalence and impact of allergic rhinitis comorbidity in asthmatic patients in the Qassim region and identify whether rhinitis affects asthma control. Methods This is an observational cross-sectional study on asthmatic adults who live in the Qassim region of Saudi Arabia. An online questionnaire was distributed through social media.