pem·​phi·​gus ˈpem(p)-fi-gəs How to pronounce pemphigus (audio) pem-ˈfī- How to pronounce pemphigus (audio)
: an autoimmune disease marked by blisters on skin and mucous membranes and often by itching or burning

Examples of pemphigus in a Sentence

Recent Examples on the Web People with other autoimmune diseases are more likely to have pemphigus vulgaris, according to the NIH. Maggie O'Neill,, 29 July 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pemphigus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin, from Greek pemphig-, pemphix pustule

First Known Use

circa 1779, in the meaning defined above

Time Traveler
The first known use of pemphigus was circa 1779

Dictionary Entries Near pemphigus

Cite this Entry

“Pemphigus.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

Medical Definition


pem·​phi·​gus ˈpem(p)-fi-gəs How to pronounce pemphigus (audio) pem-ˈfī-gəs How to pronounce pemphigus (audio)
plural pemphiguses or pemphigi -ˌjī How to pronounce pemphigus (audio)
: any of several autoimmune diseases characterized by the formation of successive eruptions of large blisters on apparently normal skin and mucous membranes often in association with sensations of itching or burning

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