pso·​ri·​a·​sis | \ sə-ˈrī-ə-səs How to pronounce psoriasis (audio) \

Definition of psoriasis

: a chronic skin disease characterized by circumscribed red patches covered with white scales

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Other Words from psoriasis

psoriatic \ ˌsȯr-​ē-​ˈa-​tik How to pronounce psoriatic (audio) \ adjective or noun

Examples of psoriasis in a Sentence

Recent Examples on the Web

In the skin condition psoriasis, which afflicts more than 8 million Americans, studies found the drug could clear up painful and itchy rashes by 75% to 90% in months. Fortune, "Protect at All Costs: How the Maker of the World’s Bestselling Drug Keeps Prices Sky-High," 18 July 2019 Under an agreement with the Federal Trade Commission, Bristol-Myers will sell off the psoriasis pill Otezla to appease antitrust regulators’ concerns, the company said in a statement., "Airline food service workers nationwide authorize strike," 25 June 2019 Our Instagram feeds are now just videos of foundation dripping onto legs and arms — including two notable clips of Kim completely covering the psoriasis on her legs and her grandma Mary Jo disguising the veins on her hands. Thatiana Diaz,, "We Tried The KKW Beauty Body Foundation — & Here's Our Honest Opinion," 24 June 2019 All three drugs are brand-name blockbusters for diseases such as rheumatoid arthritis, psoriasis and Crohn’s but are facing generic competition. Christopher Rowland, Washington Post, "Alzheimer’s research is getting a reboot at small companies focused on the immune system," 5 July 2019 Biosimilars have been approved in the U.S. for five biologic best-sellers on the market as long as 22 years: Humira and Enbrel, for rheumatoid arthritis, psoriasis and other autoimmune disorders, and the cancer drugs Herceptin, Rituxan and Avastin. NBC News, "Future is in doubt for cheaper versions of biologic drugs," 27 June 2019 Otezla is used to treat forms of psoriasis, a skin-disease in which an overreaction by the immune system causes itchy rashes to form on the body. Joseph Walker, WSJ, "Antitrust Concerns Delay Bristol-Myers’ $74 Billion Merger With Celgene," 24 June 2019 The reality star shared before and after pictures to showcase how psoriasis affects her body. Amy Mackelden, Harper's BAZAAR, "Kim Kardashian Reveals How She Manages Her Psoriasis in a Super Honest Instagram Video," 15 June 2019 An illness on the road, particularly strep throat, can be a trigger for psoriasis. Lauren Decarlo, Condé Nast Traveler, "Traveling with Psoriasis," 6 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psoriasis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of psoriasis

circa 1684, in the meaning defined above

History and Etymology for psoriasis

New Latin, from Greek psōriasis, from psōrian to have the itch, from psōra itch; akin to Greek psēn to rub

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Statistics for psoriasis

Last Updated

22 Jul 2019

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Time Traveler for psoriasis

The first known use of psoriasis was circa 1684

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More Definitions for psoriasis



English Language Learners Definition of psoriasis

medical : a skin disease that causes areas of your skin to become red and rough and to fall off


pso·​ri·​a·​sis | \ sə-ˈrī-ə-səs How to pronounce psoriasis (audio) \
plural psoriases\ -​ˌsēz How to pronounce psoriases (audio) \

Medical Definition of psoriasis

: a chronic skin disease characterized by circumscribed red patches covered with white scales

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More from Merriam-Webster on psoriasis

Rhyming Dictionary: Words that rhyme with psoriasis

Spanish Central: Translation of psoriasis

Nglish: Translation of psoriasis for Spanish Speakers

Britannica English: Translation of psoriasis for Arabic Speakers Encyclopedia article about psoriasis

Comments on psoriasis

What made you want to look up psoriasis? Please tell us where you read or heard it (including the quote, if possible).


to complain fretfully

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