ITULAZAX® (SQ tree SLIT‐tablet) is a new sublingual immunotherapy (SLIT) tablet for the treatment of moderate‐to‐severe AR and/or conjunctivitis induced by pollen from the birch homologous group, indicated in adult patients with a clinical history of symptoms despite use of allergy pharmacotherapy and a positive test of sensitization to a member of the birch homologous group (skin prick test and/or specific IgE). Here, IGHE is linked to allergic disease.