Ideally it isn't fair to say that immunotherapy (allergy shots) is ineffective, or a waste of ones time. In contrast this is not true. Immunotheraputics have been used with great successful in a number of individuals, but given our limited understanding of the immune system it is not without some margin of error, or failure of success. In more severe cases, where immunotherapy is unsuccessful, immunosupressive therapy may be of use and has been used for the short term treatment of severe allergic reactions to vaccines, as well as for long term therapy applied to individuals with autoimmune disease.
As of right now these are the major therapoutic modalities available In addition to the practice of dietary modification, feeding trials, exclusion diets, etc.
In most cases, it is easier to remove the inciting cause of an allergic reaction than it is to treat the symptoms once an allergic reaction has developed.
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