Allergic reactions can now be modified with gradually increasing doses of allergens in form of immunotherapy. Patients with clinically significant symptoms who are not adequately controlled with optimal medical therapy are the candidates for starting immunotherapy. It can be given either by subcutaneous route or by sublingual route. Immunotherapy is the only definite treatment for allergy cure. It is quite effective if given with standard allergen extracts in predefined dosage in selected cohort of patients.
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