Your doctor will examine your welts or areas of swelling if they are still present and take a careful medical history to identify possible causes. In some cases, your doctor may recommend an allergy skin test. If your doctor suspects hereditary angioedema, he or she may order blood tests to check for levels and function of specific blood proteins.
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- Goldsmith LA, et al., eds. Fitzpatrick's Dermatology in General Medicine. 8th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=740. Accessed Aug. 6, 2013.
- Bingham CO. New onset urticaria. http://www.uptodate.com/home. Accessed Aug. 6, 2013.
- Goldman L, et al. Cecil Medicine. 24th ed. Philadelphia, Pa.: Saunders Elsevier; 2012. http://www.clinicalkey.com. Accessed Aug. 6, 2013.
- Bingham CO. An overview of angioedema: Clinical features, diagnosis and management. http://www.uptodate.com/home. Accessed Aug. 6, 2013.