Anaphylaxis is a severe, rapid-onset allergic reaction to an antigen that can be life-threatening due to circulatory collapse and airway swelling. It typically involves IgE antibodies, Fcε receptors on mast cells, and the release of inflammatory mediators.
Anaphylaxis is a severe, rapid-onset allergic reaction to an antigen that can be life-threatening due to circulatory collapse and airway swelling. It typically involves IgE antibodies, Fcε receptors on mast cells, and the release of inflammatory mediators.
| Front | A rapid-onset and systemic allergic reaction to antigen, for example to insect venom injected directly into the bloodstream, or to foods such as peanuts. Severe systemic reactions can be potentially fatal due to circulatory collapse and suffocation from tracheal swelling. It usually results from antigens binding to IgE bound by Fcε receptors on mast cells, leading to systemic release of inflammatory mediators |
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| Back | anaphylaxis |
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