pityriasis rosea

noun
pityriasis ro·​sea | \ -ˈrō-zē-ə How to pronounce pityriasis rosea (audio) \

Medical Definition of pityriasis rosea

: an acute benign and self-limited skin eruption of unknown cause that consists of dry, scaly, oval, pinkish or fawn-colored papules, usually lasts six to eight weeks, and affects especially the trunk, arms, and thighs

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Cite this Entry

“Pityriasis rosea.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pityriasis%20rosea. Accessed 20 Jan. 2021.

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