Factors that make you more prone to heat rash include:

  • Age. Though heat rash can affect anyone, newborns are most susceptible.
  • Tropical climates. People living in the tropics are far more likely to have heat rash than are people in temperate climates.
  • Physical activity. Anything that makes you sweat profusely, especially if you're not wearing moisture-wicking clothing, can trigger heat rash.
Mar. 07, 2012

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