Anaphylaxis: Anaphylaxis is usually secondary to an allergic reaction to a food or medication but it can also be idiopathic or related to food intake or exercise. Mastocytosis can also be an occult cause of it. See an allergist to help you find the cause.
Answered 2/8/2015
4.9k views
Most of the time: A majority of the time it is caused by an immune reaction but at other times certain drugs just provoke release of the same chemicals causing the anaphylactic reaction as in the case of x-ray dye reaction. Some prefer to call the non-immunologic ones anaphylactoid reaction but the treatment is the same.
Answered 2/8/2015
4.9k views
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