Connecting to the source… About the 15% of people suffer from diagnosed allergic rhinitis and the 30% report suffering from related symptoms, which may negatively affect their quality of life and sleep, even performance at work and school. For many patients, probably in half, the usual medicines (nasal sprays, antihistamine pills etc.) are not effective or have unwanted side effects. Pollen immunotherapy may have’ these people good results. Pollen immunotherapy is given either as a monthly injection, or with a pill that is placed under the tongue every day. Immunotherapy can fight the symptoms of seasonal allergic rhinitis, such as stuffy nose, sneezing, eye irritation etc.