anaphylaxis

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an·a·phy·lax·is

 (ăn′ə-fə-lăk′sĭs)
n.
A sudden, usually systemic allergic reaction, characterized by vasodilation resulting in decreased blood pressure, smooth muscle contraction resulting in shortness of breath, and hives, caused by hypersensitivity induced by a secondary exposure to a foreign substance, such as a drug or protein, after an initial sensitizing exposure.


an′a·phy·lac′tic (-lăk′tĭk), an′a·phy·lac′toid (-toid) adj.
an′a·phy·lac′ti·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anaphylaxis

(ˌænəfɪˈlæksɪs) or

anaphylaxy

n
(Medicine) extreme sensitivity to an injected antigen, esp a protein, following a previous injection
[C20: from ana- + (pro)phylaxis]
ˌanaphyˈlactic, ˌanaphyˈlactoid adj
ˌanaphyˈlactically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

an•a•phy•lax•is

(ˌæn ə fəˈlæk sɪs)

n.
a hypersensitive reaction to an allergen, as a severe bout of hay fever, the rapid appearance of wheals, or profound physiological changes and shock.
[1905–10; ana- + (pro) phylaxis]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

anaphylaxis

extreme sensitivity to an antigen, causing secretion of histamine and attendant adverse reactions, sometimes fatal. — anaphylactic, adj.
See also: Disease and Illness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anaphylaxis - hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
drug - a substance that is used as a medicine or narcotic
anaphylactic shock - 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
hypersensitivity reaction - an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

an·a·phy·lax·is

n. anafilaxis, hipersensibilidad, reacción alérgica extrema.
English-Spanish Medical Dictionary © Farlex 2012

anaphylaxis

n anafilaxia, anafilaxis f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Headquartered in Holzkirchen, in Germany's Greater Munich area, the company will launch the SYMJEPI 0.3mg Injection for the emergency treatment of allergic reactions (Type 1) including anaphylaxis to stinging and biting insects, allergen immunotherapy, foods, drugs, diagnostic testing substances and other allergens, as well as idiopathic or exercise-induced anaphylaxis.
Manufacture of commercial batches has been completed and Adamis will begin shipping to Sandoz distribution centers during December to ensure the appropriate supply for launch.SYMJEPI 0.3mg Injection is indicated for the emergency treatment of allergic reactions, including anaphylaxis, to stinging and biting insects, allergen immunotherapy, foods, drugs, diagnostic testing substances and other allergens, as well as idiopathic or exercise-induced anaphylaxis. SYMJEPI 0.3 mg Injection is intended for immediate administration in patients who weigh 66 pounds or more and are determined to be at an increased risk for anaphylaxis.
A variety of food causes have been associated with food-dependent exercise-induced anaphylaxis.
Physical factors such as exercise (known as exercise-induced anaphylaxis) or temperature (either hot or cold) may also act as triggers through their direct effects on mast cells.
AUVI-Q[R] (epinephrine injection, USP) is indicated in the emergency treatment of allergic reactions (Type I) including anaphylaxis to allergens, idiopathic and exercise-induced anaphylaxis. AUVI-Q is intended for patients with a history of anaphylactic reactions or who are at increased risk for anaphylaxis.
The Japanese National Institute of Health Sciences reported in 2014 that in 2009 a case in which two patients who had been primary sensitized to hydrolyzed wheat protein (HWP) present in facial soap subsequently experienced wheat-dependent exercise-induced anaphylaxis (WDEIA) after the ingestion of wheat products.
She is believed to have had the rare exercise-induced anaphylaxis. Jonathan said: "Maisie's allergy control just didn't work as she'd been exercising.
Food-dependent exercise-induced anaphylaxis may occur if exercise and consumption of a certain food occur within 4 hours of each other.
In other people, exercise can provoke a food allergy, a condition called food-dependent exercise-induced anaphylaxis, or FDEIA.
Epinephrine is indicated in the emergency treatment of severe anaphylactic reactions to insect stings, bites, food, drugs and other allergens as well as idiopathic or exercise-induced anaphylaxis. The EpiPen (1:1000 or 0.3mgs in 0.3mls) and EpiPen Jr (1:2000 or 0.15mgs in 0.3mls) auto-injectors administer a single dose of epinephrine intended to be delivered intramuscularly in cases of severe anaphylaxis.

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