Al–Asad K, et al. – This retrospective observational study ascertained the clinical characteristics of adults and children with confirmed allergic rhinitis (AR; with or without asthma) in Jordan, as well as, appraised the use of sublingual immunotherapy (SLIT) in a real–life clinical setting. For this group of patients, the use of a pre– and coseasonal SLIT with a 300 index of reactivity daily dose was effective in reducing the clinical burden of AR and asthma with no tolerability issues.