Definition of urticaria
: hives
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Recent Examples of urticaria from the Web
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Scientists at the Genetic and Rare Diseases Information Center have noted that the condition seems to occur sporadically in people with no family history of aquagenic urticaria.
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There are fewer than 100 people in the world who have been diagnosed with aquagenic urticaria.
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Without further ado, read on to learn more about urticaria (the fancy medical term for hives) and their causes from the very experts who treat them for a living.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'urticaria.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Did You Know?
Hives can be caused by a number of things. It can be a reaction to the piece of food you ate, the new medication you took, or irritants in the air you breathe, among other causes. Urticaria was named in the 18th century for its resemblance to the rash caused by nettle, a plant of the genus Urtica. That genus name reflects the Latin word for "nettle" and is also related to the Latin verb urere, meaning "to burn." (It's easy to see the connection here if you know that many species of nettle have stinging hairs that irritate the skin.)
Origin and Etymology of urticaria
New Latin, from Latin urtica nettle
Medical Dictionary
Learn More about urticaria
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Britannica.com: Encyclopedia article about urticaria
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