As we discussed earlier this week, anaphylactoid reactions are systemic reactions caused by a non-immunologic mechanism.The clinical presentation may be identical to an anaphylactic reaction (2-4).

• 如我们以前的讨论，类过敏性反应为非免疫学机制导致的全身反应，临床表现可与过敏反应相同[2-4]。