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Catamenial anaphylaxis: a woman under monthly progesterone curse
  1. Kyawzaw Lin1,
  2. Ameer Rasheed1,
  3. Sithu Lin1,
  4. Louis Gerolemou2
  1. 1Internal Medicine Department, The Brooklyn Hospital Center, Brooklyn, New York, USA
  2. 2Pulmonary Department and MICU, The Brooklyn Hospital Center, Brooklyn, New York, USA
  1. Correspondence to Dr Sithu Lin, dr.sithulin{at}


Catamenial or cyclical anaphylaxis is a complex clinical syndrome with poorly reported incidence and prevalence in the literature review. The underlying mechanism is still a myth although a few proposed hypotheses are stated. Early recognition of these symptoms will bring optimal treatment and prevent unnecessary intubation and complications. Here, we present a 48-year-old woman without significant medical and family history with recurrent angioedema in the setting of catamenial anaphylaxis or cyclical anaphylaxis in the setting of progesterone hypersensitivity.

  • endocrine system
  • respiratory system
  • emergency medicine
  • resuscitation
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  • Contributors KL and AR contributed equally in gathering information, writing introduction, case report and discussion. SL was involved in editing the case report. LG provided the management and proper diagnosis for this case report.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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