Anaphylaxis differential diagnosis

Anaphylaxis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Differentiating Anaphylaxis from other Diseases

Pseudoanaphylactic Reactions (Conditions that Mimic Anaphylaxis)

First administration of the following drugs or agents:

• Aspirin
• Contrast media (first contact)
• Pentamidine (first contact)
• Polymyxin (first contact)

Conditions that may mimic anaphylaxis include the following:

• Carcinoid Syndrome
• Globus hystericus
• Hereditary angioedema
• Pheochromocytoma
• Pulmonary Embolism
• Scombroid intoxication
• Systemic Mastocytosis
• Vagal reactions