Background: Allergic rhinitis (AR) and asthma are two common chronic diseases that often coexist. There is a need for a validated tool to evaluate HRQoL of Portuguese speakers with asthma and/or rhinitis patients in clinical practice. Objectives: To adapt and validate RhinAsthma Patient Perspective (RAPP) in Portuguese. Methods: The RAPP questionnaire was translated into Portuguese. Asthmatics with comorbiditie...