What is the global prevalence of miliaria?

Updated: Mar 27, 2020
  • Author: Nikki A Levin, MD, PhD; Chief Editor: Dirk M Elston, MD  more...
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Answer

The best data about the incidence of miliaria in newborns are from a Japanese survey of more than 5000 infants. [18] This survey revealed that miliaria crystallina was present in 4.5% of the neonates, with a mean age of 1 week. Miliaria rubra was present in 4% of the neonates, with a mean age of 11-14 days. A 2006 survey study from Iran found an incidence of miliaria of 1.3% in newborns. [19] A survey of pediatric patients in Northeastern India showed an incidence of miliaria of 1.6%. [20]  A hospital-based cross-sectional study of 150 patients presenting with sweat-induced dermatoses during the summer months in Puducherry, India showed that 84.1% had miliaria rubra, 4.6% had miliaria pustulosa, 3.3% had miliaria profunda, and 2.6% had miliaria crystallina. [21]

Worldwide, miliaria is most common in tropical environments, especially among people who recently moved to such environments from more temperate zones. Miliaria has been a significant problem for American and European military personnel who serve in Southeast Asia and the Pacific.


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