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Anaphylaxis Learning Center
Causes could include:
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Histamine Release
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Anaphylaxis is an severe, whole-body allergic reaction. After being exposed to a substance like bee sting venom, the person's immune system becomes sensitized to that allergen. On a later exposure, an allergic reaction may occur. This reaction is ...
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Like the majority of other allergic reactions, anaphylaxis is caused by the release of histamine and other chemicals from mast cells, which are a type of white blood cell found in large numbers in the tissues that regulate exchange with the enviro...
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Like the majority of other allergic reactions, anaphylaxis is caused by the release of histamine and other chemicals from mast cells. Mast cells are a type of white blood cell and they are found in large numbers in the tissues that regulate exchan...
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The symptoms of anaphylaxis may occur within seconds of exposure, or be delayed 15 to 30 minutes and sometimes even an hour or more later, if the allergen is aspirin or other similar drugs. The sooner the symptoms occur after exposure, the more se...
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