anaphylactoid reaction


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Related to anaphylactoid reaction: anaphylaxis, Anaphylactic reaction

anaphylactoid reaction

[¦an·ə·fə¦lak‚tȯid rē′ak·shən]
(medicine)
A nonallergic reaction resembling anaphylaxis and depending on the toxicity of the inductant.
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Barth et al (93) injected 100 mg of tramadol intravenously (a single dose often administered) into 13 healthy volunteers and looked for histamine release, systemic or cutaneous anaphylactoid reactions and changes in blood pressure, heart rate and electrocardiogram variables.
It may be true that "patients with mastocytosis tend to have more severe anaphylactic and anaphylactoid reactions to offending substances" but it has not been established that they get more severe anaphylactic reactions than normal patients.
In conclusion, we describe the first case of systemic mastocytosis which was diagnosed in response to a severe anaphylactoid reaction to iodinated contrast agent.
A documented elevation of mast cell tryptase at the time of the reaction reliably predicted an anaphylactic or anaphylactoid reaction in this study.
In all phases of clinical study for ELAPRASE, 11 patients experienced anaphylactoid reactions during 19 of 8,274 infusions (0.
True anaphylaxis and anaphylactoid reactions to local anesthetics are rare or nonexistent.
WARNINGS: Anaphylactoid Reactions: In postmarketing use, uncommon but serious anaphylactoid reactions were observed during or shortly following perflutren-containing microsphere administration, including in patients with no prior exposure to perflutren-containing microsphere products.
Oyonrinde OT, Saker BM: Anaphylactoid reactions to paracetamol.
The report also covers drug, food, insect sting, latex, anaphylactic, and anaphylactoid reactions.
Information on different types of allergic reactions, including anaphylactoid reactions, cytotoxic and cytolytic reactions, immune complex reactions, and delayed hypersensitivity reactions.
WARNINGS: Anaphylactoid Reactions: Postmarketing reports of acute anaphylactoid reactions including shock, bronchospasm, upper airway swelling, loss of consciousness, urticaria and pruritus, have occurred in patients with no prior exposure to perflutren-containing microsphere products.
Intradermal testing after anaphylactoid reactions to anaesthetic drugs: Practical aspects of performance and interpretation.