Exposing individuals to larger and larger amounts of allergen, often recognized as allergen immunotherapy , is often effective. The allergen can be given as an injection under the skin or as a pill underneath the tongue. Treatment sometimes lasts three to 5 years, after which benefits may be extended. Peer https://tysonlmjtc.humor-blog.com/18770965/the-way-to-tell-the-distinction-between-a-chilly-or-allergic-rhinitis-lockey-fox-ledford-glaum-mds-pa