anaphylactoid


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Related to anaphylactoid: anaphylactoid purpura

anaphylactoid

 [an″ah-fi-lak´toid]
resembling anaphylaxis.
anaphylactoid reaction a reaction resembling generalized anaphylaxis but not caused by IgE-mediated allergic reaction but rather by a nonimmunologic mechanism.

an·a·phy·lac·toid

(an'ă-fi-lak'toyd),
Resembling anaphylaxis but not IgE-mediated.
Synonym(s): pseudoanaphylactic
[anaphylaxis + G. eidos, resemblance]

anaphylactoid

/ana·phy·lac·toid/ (-fĭ-lak´toid) resembling anaphylaxis.

anaphylactoid

adjective Referring to a response that simulates one or more features of an anaphylactic reaction.

an·a·phy·lac·toid

(an'ă-fi-lak'toyd)
Resembling anaphylaxis.
[anaphylaxis + G. eidos, resemblance]

an·a·phy·lac·toid

(an'ă-fi-lak'toyd)
Resem-bling anaphylaxis.
[anaphylaxis + G. eidos, resemblance]

anaphylactoid (an´əfilak´toid),

adj resembling anaphylaxis; pertaining to a reaction, the symptoms of which resemble those of the anaphylactic response produced by the injection of serum and other nonspecific proteins.
anaphylactoid reaction,

anaphylactoid

resembling anaphylaxis, but not involving an immunological mechanism.

anaphylactoid purpura
see anaphylactoid purpura.
References in periodicals archive ?
We conclude that the prompt diagnosis of anaphylactoid purpura followed by early multidisciplinary intervention constitutes appropriate management and prevents the emergence of complications and recurrence.
No control skin tests were carried out and, on the basis of the patient's lack of previous exposure and non-elevated serum IgE levels, an anaphylactoid reaction caused by liberated histamine seemed likely.
Anaphylactoid reaction: a reaction that mimics anaphylaxis but is not a true allergic reaction and is not mediated by immunoglobulin E.
Thus, application of this method for routine clinical diagnosis prior to blood transfusions or the infusion of human blood products may prevent anaphylactoid shock caused by anti-HP antibodies.
A confirmed case of acute allergic-type reaction has been defined as an episode of anaphylactic or anaphylactoid reaction characterized by angioedema (particularly swelling of lips/mouth, tongue, throat, or eyelids) or urticaria.
The hearing was told that anaphylactoid shock was when a person has a massive allergic reaction to a substance they had not encountered before while anaphylactic shock occurred when the person had already had an allergic response to the substance.
The new report will carry information on cases that assert a range of injuries, including stomach ulcers, infections, cancer, blood clots, kidney and liver damage, anaphylactoid reactions, heart attacks and strokes.
She found out three years ago that she suffers from a severe form of allergic reaction, called an anaphylactoid, which causes her to collapse and pass out.
Ciprofloxacin as a chemoprophylactic agent for meningococcal disease -- low risk of anaphylactoid reactions.
The reactions are generally mild and transient, he says, and allergic and anaphylactoid reactions from use of the patch are rare.