Medical Definition of angioedema
Note: Swelling results from a buildup of fluid leaking out of blood vessels with walls that have become abnormally permeable. The lips, mouth, throat, eyes, hands, and feet are most commonly affected. Swelling of the throat may interfere with breathing and can be life-threatening. Angioedema may be caused by an allergic reaction (as to food or drugs), is sometimes due to a hereditary condition ( hereditary angioedema ), but is often of unknown cause.
— called also angioneurotic edema, giant urticaria, Quincke's disease, Quincke's edema
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