Definition of urticaria in English:
noun[mass noun] Medicine
A rash of round, red weals on the skin which itch intensely, sometimes with dangerous swelling, caused by an allergic reaction, typically to specific foods. Also called nettlerash or hives.
- At each interview, subjects were asked about the occurrence of allergic rhinitis, urticaria, eczema, asthma attacks, or asthmalike breathing problems in the last 12 months.
- Histamine, which is released by mast cells in persons with urticaria and other allergic reactions, classically is associated with pruritus.
- Symptoms can vary from mild reactions, such as urticaria, hay fever, and allergic conjunctivitis, to asthma and, in rare cases, anaphylaxis.
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