IGHE and rhinitis: However, there was no significant difference between symptoms observed 1 and 2 years after treatment.[30] A study of SLIT among 39 pediatric patients allergic to dust mites with a mean age of 8.8 years examined results after 3 years of therapy and found remission of rhinitis in 82% of patients.[31] In a retrospective study of 102 cases, symptoms significantly receded post-SLIT, and the peripheral blood eosinophil counts and serum IgE levels also significantly decreased.[23]