noun[mass noun] Medicine
An extreme, often life-threatening allergic reaction to an antigen to which the body has become hypersensitive.
- Such an allergic reaction can bring on anaphylactic shock.
- A post-mortem examination in Spain revealed Mr Harris, who knew he was allergic to wasp stings, had died from anaphylactic shock.
- Even a small amount could cause a dangerous reaction called anaphylaxis or anaphylactic shock.
Definition of anaphylactic shock in:
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