Definition of "anaphylactoid" [anaphylactoid]

• Of, pertaining to, or resembling anaphylaxis (adjective)

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• ""We have specifically used the word anaphylactoid to get away from implying an immunoglobulin-mediated event."
• "These adverse events often included anaphylactoid reactions (23 percent) and serum sickness (50 percent) .1 Although most adverse events did not result in mortality when treated with appropriate medication, such complications are problematic and fueled the development of a less immunogenic antivenin."
• "An FDA Talk Paper on the agency's web site on November 15, 2002, announced new warnings on Bextra and said, "labeling is being updated with new warnings following postmarketing reports of serious adverse effects including life-threatening risks related to skin reactions -- including Stevens Johnson Syndrome, and anaphylactoid reactions.""