heat rash

noun

Definition of heat rash

: prickly heat

Examples of heat rash in a Sentence

Recent Examples on the Web

The Centers for Disease Control and Prevention warns that high temperatures can lead to illnesses ranging in severity from heat rash and sunburn, to heat cramps and exhaustion, to heat stroke. — Madeline Holcombe, CNN, "How to stay safe in this week's heat wave," 18 July 2019 And to protect yourself from heat illness, which can range from miserable (heat rash, heat exhaustion) to life-threatening (heat stroke), the NPS recommends staying hydrated and taking frequent breaks, preferably in the shade. — Carolyn L. Todd, SELF, "14 Essential Hiking Safety Tips You Should Always Follow," 10 May 2019 Obstructing skin pores with cosmetics while sweating can lead to heat rash or acne, says Adam Friedman, dermatology professor at George Washington University in Washington D.C. — Anne Marie Chaker, WSJ, "Sneakers? Check. Mascara? Check. Makeup is the New Workout Gear," 22 Jan. 2019 Hands swollen, suffering from a heat rash, and past the point of exhaustion, Butler Glenesk was still determined to finish. — National Geographic, "What One Woman Learned Trying to Run Across California," 31 May 2018 Because of the sweltering heat, babies often struggle with heat rashes. — Bonnie Vengrow, Good Housekeeping, "6 Parenting Tips From Around The World That Only Sound Crazy To Americans," 21 July 2016 All that sweat can cause bigger skin issues, including the dreaded heat rash. — Macaela Mackenzie, Allure, "How to Tell If Your Itchy Skin Is Actually Heat Rash This Summer," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat rash.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.