What is the prevalence of rosacea?

Updated: Jun 03, 2020
  • Author: Agnieszka Kupiec Banasikowska, MD; Chief Editor: William D James, MD  more...
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Answer

Accurate incidence data are not available; however, rosacea is a common skin condition that disproportionately affects persons of fair-skinned European and Celtic origin. In the United States, more than 16 million people are affected by rosacea, and, worldwide, as high as 18% of the population is affected. [16] A study in Sweden revealed an incidence of 1 case in 10 middle-class workers. The caseating granulomatous variant (acne agminata) may occur more commonly in people of Asian or African origin.

Rosacea also occurs in people with dark skin but is less frequently diagnosed in such populations. It is unknown whether factors such as masking of facial redness by abundant skin pigment, protective effects of melanin against UV light, and genetic predisposition to rosacea contribute to the lower rate of diagnosis in people with skin color. [16]


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