Allergen immunotherapy can provide significant improvements in allergic symptoms and reduce the need for additional pharmacotherapy. Allergen immunotherapy has been clinically demonstrated to provide long-term clinical benefits, including symptomatic disease remission and a reduction in allergic disease progression from rhinitis to asthma.
Allergen immunotherapy is a treatment used to relieve allergy symptoms like (Itching eyes/ nose, congestion, running nose, sneezing or allergic asthma by administering allergenic proteins (pollen, fungi, dust, danders, insects) in increasing doses in the form of injections to develop immunity against these antigens, The immunotherapy treatment has to be taken for 2- 3 years, so that the patient gets hyposensitized for the offending allergens.