Top Definition
An immediate and severe allergic reaction to a substance (eg food or drugs). Symptoms of anaphylaxis include breathing difficulty, loss of consciousness and a drop in blood pressure. This condition can be fatal and requires immediate medical attention.
common anaphylaxis include;
nuts, latex, eggs, bites and stings, wheat, dairy, seafood and other.
by sarah-3-2321 June 11, 2006

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