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How is angioedema diagnosed?

Angioedema is diagnosed by its symptoms. If your angioedema was caused by an allergic reaction, your doctor will most likely ask you to give a detailed account of the foods, medications, and other possible allergens that you may have been exposed to prior to the onset of symptoms. It is very helpful to keep a written record of the foods you eat and medicines you take, and share this with your doctor. If it isn't possible for your doctor to find the cause of the angioedema, he or she may do a scratch test (in which small amounts of an allergen are scratched into the skin) or other skin test to find the likely allergen.

Hereditary angioedema may be diagnosed by blood tests.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.