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Results
By Mayo Clinic staffAllergy symptoms won't stop overnight. They usually improve during the first year of treatment, but the most noticeable improvement often happens during the second year. By the third year, most people are desensitized to the allergens contained in the shots — and no longer have significant allergic reactions to those substances.
After a few years of successful treatment, some people don't have significant allergy problems even after allergy shots are stopped. Other people need ongoing shots to keep symptoms under control.
- Nelson HS. Immunotherapy for inhalant allergens. In: Adkinson NF, et al. Middleton's Allergy: Principles and Practice. 7th ed. Philadelphia, Pa.: Elsevier; 2008.
- Tips to remember: Allergy shots. American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/patients/publicedmat/tips/whatareallergyshots.stm. Accessed Dec. 4, 2009.
- Allergen immunotherapy: A practice parameter second update. American Academy of Allergy, Asthma & Immunology. http://www.acaai.org/NR/rdonlyres/7F7B241E-57DA-453D-8DFD-DEE371C80AD0/0/AllergenImmunotherapy.pdf. Accessed Dec. 4, 2009.
- Hamilton RG, et al. Clinical laboratory assessment of IgE-dependent hypersensitivity. Journal of Allergy and Clinical Immunology. 2003;111(suppl):S687.
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