Asthma and Allergy

Immunotherapy & Allergy

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Allergy shots help your body get used to allergens, the things that trigger an allergic reaction. They don’t cure allergies, but eventually your symptoms will get better and you may not have allergic reactions as often. Allergy shots, also called "immunotherapy," may work for you if allergy drugs don’t work well or you have symptoms more than three months a year. Allergen immunotherapy changes the way the immune system reacts to allergens, by switching off allergy. The end result is that you become immune to the allergens, so that you can tolerate them with fewer or no symptoms.