We investigated sublingual immunotherapy for mite-induced allergic rhinitis and its comorbid allergic conditions. A prospective case-controlled study of 120 patients (case = 80, control = 40) over 12 months. There was 53.6% reduction in total rhinitis symptom score (p < 0.0001), but not in controls (-7.3%, p = 0.99). The total symptom scores for concurrent asthma decreased from 17.79 to 8.8 (p < 0.0001); for allergic conjunctivitis from 20.89 to 10.0 (p = 0.0002); for atopic dermatitis from 46.40 to 29.38 (p = 0.0004) and 74.6% of patients weaned off nasal topical steroids. The treatment-related adverse reactions were mild and self-limiting. Though sublingual immunotherapy may be more expensive than conventional treatments, it was an adjunctive therapy that improved not only the outcomes for allergic rhinitis, but also its comorbid allergic conditions.

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http://dx.doi.org/10.2217/imt-2019-0093DOI Listing

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