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How are allergy shots used to treat asthma?

Donna Hill Howes, RN
Family Practitioner

Allergens are substances that trigger an allergic response. If you have allergies, your doctor may prescribe injections to gradually expose you to increasing amounts of the allergen. This can help your body make substances that block the allergen's effects. It can also help reduce your sensitivity to the allergen and improve your symptoms.

The most common allergy shots are for allergies to dust mites, grasses, short ragweed, and cats. Treatments are also available for allergies to pollens and dogs. Treatments for allergies to cockroaches and mold have not been shown to be effective.

Allergy shots are sometimes prescribed for people who cannot avoid exposure to their allergens, have year-round symptoms, or do not get full relief with other medications. 

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.