Angioedema (histamine Mediated)

Your Path

  • Angioedema (histamine mediated)


  • Localized areas subcu swelling

Risk Factors

  • Response to a precipitant, including: meds (e.g. NSAIDs, Opiates), IV contrast, food, latex, insect bite/stings, other environmental triggers


  • Acute
  • Sob
  • Edema
  • Itching
  • Flushing
  • Abd pain
  • Can be severe and life threatening due to airway issues
  • Can occur w/anaphylactic rxns→ low bp w/systemic sx

Physical Exam Findings

  • Redness
  • Stridor
  • Wheezing
  • Hives/urticaria
  • Swelling of face & other body parts
  • Edema often asymmetric and non-pitting