All about allergy

Allergy shots: These are given to some people who have persistent and disruptive allergy symptoms.
The shots do not treat symptoms, but by altering the immune response, they prevent future allergic reactions. (This is referred to as allergen immunotherapy.)
Treatment involves a series of shots, each containing a slightly greater amount of the allergen(s) that cause the reaction.
Ideally, the person will become “desensitized” to the antigen(s) over time.

Allergy journal

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