anaphylactoid

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Related to anaphylactoid reaction: anaphylaxis, Anaphylactic reaction

an·a·phy·lax·is

(ăn′ə-fə-lăk′sĭs)

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.

[ana- + (pro)phylaxis.]

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.

Translations

anaphylactoid

adj anafilactoide

References in periodicals archive ?

Fatal anaphylactoid reaction following ioversol administration.

Kounis Syndrome--not a Single-organ Arterial Disorder but a Multisystem and Multidisciplinary Disease

Tween-80 and impurity induce anaphylactoid reaction in zebrafish.

Effects of Topical Thymoquinone in an Experimental Dry Eye Model

The likelihood of an anaphylactoid reaction to contrast media is not necessarily related to contrast media dose, nor is it always an immediate response to contrast media exposure.

Mediastinal Hematoma and Tracheal Compression following Transradial Percutaneous Coronary Intervention

(v) Do not spill cyst contents during surgery to avoid anaphylactoid reaction, recurrence, and multiple hydatidosis.

Contribution of Imaging in Diagnosis of Primitive Cyst Hydatid in Unusual Localization: Pleura--A Report of Two Cases

The rapid intravenous infusion of vancomycin is associated with RMS, an anaphylactoid reaction. Several case reports are there.

A case report on red man syndrome

Delayed anaphylactoid reaction in a worker exposed to chromium.

Metals and heavy metals--a risk for our health

Immune immunoglobulin IgE-mediated anaphylactic or non-immune non-IgE anaphylactoid reaction to amniotic fluid involve mast cell and basophil stimulation causing activation of complement, thrombin and coagulation cascade which are potentially fatal and require emergency management.

Amniotic fluid embolism--presenting as generalised erythema and rashes (possibility of anaphylactoid reaction secondary to amniotic fluid embolism)

Lichtenstein, "In vitro basophil histamine release induced by mannitol in a patient with a mannitol-induced anaphylactoid reaction," The Journal of Allergy and Clinical Immunology, vol.

A Case of Immediate Hypersensitivity Reaction to Maltitol

Four subjects in the FCM group experienced Grade 1 hypersensitivity reactions, and no subject experienced anaphylaxis or an anaphylactoid reaction. Based on previous studies conducted on low-molecular-weight iron dextran the rate of anaphylaxis or anaphylactoid reactions was reported to be 1.7% [10, 11].

Ferric Carboxymaltose as Treatment in Women with Iron-Deficiency Anemia

In literature a 3-year-old child is reported to develop skin rashes and anaphylactoid reaction with intramuscular ketamine administration.24 We are of the opinion that in our study, eritematous skin reactions, which regressed spontaneously in 26 patients (3.2%) in Group 1 were caused by fast injections and following acute increase in plasma histamine levels.

Pediatric tooth extractions under sedoanalgesia

In one of these case reports, the patient had the complete spectrum of anaphylaxis but did not have a history of allergies or previous exposure of indigo carmine, and the authors suggested that indigo carmine directly may have triggered histamine release, consistent with an anaphylactoid reaction associated with severe hypotension, bronchospasm, and urticaria [6].

Severe Hypotension, Hypoxia, and Subcutaneous Erythema Induced by Indigo Carmine Administration during Open Prostatectomy

Kounis syndrome was described in 1991 as the concurrence of acute coronary events with an allergic or a hypersensitivity response and an anaphylactic or anaphylactoid reaction.!21 Several possible causes of Kounis syndrome have been reported.