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A food allergy is an abnormal immune response to food. The symptoms of the allergic reaction may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure. This typically occurs within minutes to several hours of exposure.
Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. As of 2018 six allergens have been identified to prawn alone; along with crab, it is the major culprit of seafood anaphylaxis.
Immunology. Oral allergy syndrome ( OAS) or pollen-food allergy syndrome (PFAS) is a type of allergy classified by a cluster of allergic reactions in the mouth and throat in response to eating certain (usually fresh) fruits, nuts, and vegetables. It typically develops in adults with hay fever. [1]
Food allergies affect up to 17 million children and adults in the U.S. More than 40 percent of children and more than half of adults with food allergies have experienced a severe reaction at least ...
The injectable drug was approved in 2003 under the name Xolair for chronic hives and allergic asthma, but now there was evidence it could also protect against severe allergic reactions to food ...
For people with multiple food allergies, new research suggests that a drug already approved for asthma and chronic hives may protect against severe reactions to peanuts, eggs, milk and other foods.
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