Immunotherapy Basics

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Abstract
Immunotherapy is the use of controlled exposure to allergens to produce durable antiinflammatory effects, thus reducing the severity of allergic disorders. Immunotherapy is useful when other methods of allergy therapy are not fully satisfactory and can be effectively combined with rhinologic surgical treatment. Immunotherapy should always be considered as a treatment option for allergy patients and can often be of benefit, provided that appropriate indications and contraindications are observed. Physicians caring for patients with allergies should therefore become familiar with methods of allergy and diagnosis and with the therapeutic potential of immunotherapy. The history of immunotherapy, possible mechanisms, indications, contraindications, testing methods, and initiation of treatment are reviewed.