
An extreme allergic reaction in some people (caused by the body producing to much histamine) when stung by bees, wasps, yellow jackets, etc. Reactions include red skin, itchy hives, and the closing of the airways. If susceptible to anaphylaxis it would be wise to carry an Anakit prescribed by your doctor.
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Allergic reaction of the body to an insect sting or any other substance.
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http://www.beevenom.com/Glossary.htm

A severe and sometimes life-threatening immune system reaction to an antigen that a person has been previously exposed to. The reaction may include itchy skin, edema, collapsed blood vessels, fainting, difficulty in breathing, and death.
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http://www.cancer.gov/dictionary?expand=A

A widespread and very serious allergic reaction. Symptoms include dizziness , loss of consciousness, labored breathing, swelling of the tongue and breathing tubes, blueness of the skin, low blood pressure , heart failure, and death. Immediate emergency treatment is required for this type of shock , including administration of antivenom in the case ...
Found on
http://www.emedicinehealth.com/allergy_insect_sting/glossary_em.htm

Shock that is caused by an allergic reaction.
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http://www.encyclo.co.uk/local/20906

<immunology> A serious, often life-threatening allergic reaction that is characterised by low blood pressure, shock (poor tissue perfusion) and difficulty breathing. ... (27 Sep 1997) ...
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http://www.encyclo.co.uk/local/20973

a serious and profound state of shock brought about by hypersensitivity (anaphylaxis) to an allergen such as a drug, foreign protein, or toxin. Sometimes it occurs upon second injection of a patient with a previously injected serum or protein.
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http://www.encyclo.co.uk/local/21001

constriction of the muscles surrounding the bronchial tubes of a human, caused by hypersensitivity to venom and resulting in sudden death unless immediate medical attention is received.
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http://www.encyclo.co.uk/local/21030

constriction of the muscles surrounding the bronchial tubes of a human, caused by hypersensitivity to venom and resulting in sudden death unless immediate medical attention is received.
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http://www.encyclo.co.uk/local/21518

Type: Term Definitions: 1. a severe, often fatal form of shock characterized by respiratory compromise from laryngeal edema or bronchospasm, hypotension or shock, from cardiac arrhythmias or peripheral vasodilation and vascular permeability; typically an IgE antibody-associated phenomenon (type I allergic reaction).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=81553

Anaphylactic shock: A widespread and very serious allergic reaction. Symptoms include dizziness, loss of consciousness, labored breathing, swelling of the tongue and breathing tubes, blueness of the skin, low blood pressure, heart failure, and death. Immediate emergency treatment is required for this type of shock, including administration of antiv...
Found on
http://www.medterms.com/script/main/art.asp?articlekey=10092

Anaphylactic shock is a severe and sometimes life-threatening allergic reaction, causing swelling of body tissues and a drop in blood pressure.
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http://www.nhs.uk/Conditions/Pages/hub.xhtml

an extreme allergic reaction that usually involves heart failure, circulatory collapse, a severe asthma-like difficulty in breathing and sometimes results in death.
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http://www.ruf.rice.edu/~kemmer/Words04/usage/jargon_medical.html

A life-threatening allergic reaction characterized by a swelling of body tissues (including the throat) and a sudden decline in blood pressure; can be (rarely) triggered by medication.
Found on
http://www.virology.net/ATVGlossary.html

[
n] - a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure
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http://www.webdictionary.co.uk/definition.php?query=anaphylactic%20shock

another term for anaphylaxis
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https://courses.lumenlearning.com/microbiology/chapter/glossary/

Anaphylaxis resulting in a collapse of the circulatory system and a dangerous decrease in blood pressure. Anaphylactic shock is a life-threatening reaction that requires immediate treatment.
Found on
https://www.blaketraining.co.uk/first-aid-training-glossary

a life-threatening allergic reaction resulting in difficulty breathing and low blood pressure
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https://www.encyclo.co.uk/local/20875
noun a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure
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https://www.encyclo.co.uk/local/20974

See anaphylaxis.
Found on
https://www.encyclo.co.uk/local/21571

a severe and sometimes fatal allergic reaction to a foreign substance, esp. a protein, as serum or bee venom, to which an individual has become sensitized, often involving rapid swelling, acute respiratory distress, and collapse of circulation.
Found on
https://www.infoplease.com/dictionary/anaphylactic-shock
No exact match found.