How to Use heat rash in a Sentence

heat rash

noun
  • Masks can get sweaty, feel stuffy, and can even leave us with a heat rash.
    — Molly Longman, refinery29.com, 3 July 2020
  • Mumtaz was among them, having broken out in an itchy heat rash that covered her arms and face.
    — Anant Gupta, Washington Post, 22 Sep. 2023
  • Her lipstick, her sneakers, and yes, her heat rash-inducing sweaters.
    — Bethy Squires, Vulture, 11 Apr. 2026
  • Heavy sweating may irritate your skin, resulting in a heat rash.
    — Amanda MacMillan, Health, 10 May 2024
  • These illnesses can include heat rash, heat stroke and heat exhaustion.
    — Chicago Tribune, 23 Aug. 2023
  • Heat cramps and heat rash can be treated by staying indoors and getting hydrated.
    — Brandi D. Addison, jsonline.com, 3 Oct. 2025
  • Those who have heat rash should keep the affected area dry, apply powder to increase comfort and avoid using ointments and creams.
    — Shamani Salahuddin, The Tennessean, 26 June 2024
  • People may experience a sunburn, a heat rash or heat cramps, with signs including muscle pain and spasms.
    — Mary Kekatos, ABC News, 18 June 2026
  • People may experience a sunburn, a heat rash or heat cramps, with signs including muscle pain and spasms.
    — Mary Kekatos, ABC News, 20 Mar. 2026
  • Because of the sweltering heat, babies often struggle with heat rashes.
    — Bonnie Vengrow, Good Housekeeping, 21 July 2016
  • Symptoms, from heat rash to cramps, dizzy spells, and fainting, are early warning signs that the body’s self-cooling mechanism is overwhelmed.
    — Aryn Baker, Time, 18 July 2023
  • Hands swollen, suffering from a heat rash, and past the point of exhaustion, Butler Glenesk was still determined to finish.
    — National Geographic, 31 May 2018
  • While inverse psoriasis can cause a rash in some of the same areas as heat rash—the armpits, genitals, and butt—the biggest tip-off is that psoriasis can happen any time of year.
    — Korin Miller, SELF, 10 Aug. 2022
  • Milder symptoms in infants include heat rashes in their diaper area, irritability, and crying.
    — Miranda Jeyaretnam, Time, 23 June 2026
  • Indeed, heat rash typically happens when sweat gets trapped under your skin, blocking your pores, according to the Mayo Clinic.
    — Korin Miller, SELF, 3 July 2019
  • Doc describes general medicine as part doctor, part detective, and that day's appointments deal with irritable bowel, heat rash, and folliculitis.
    — Sara Netzley, EW.com, 19 Dec. 2024
  • Spending time outside during periods of intense heat can also be dangerous, so familiarize yourself with symptoms of heatstroke, heat rash and heat exhaustion.
    — Leah Abucayan, CNN, 23 July 2022
  • Slightly warm temperatures and conditions that moderately increase perspiration can trigger mild heat rash.
    — Christopher Bergland, Verywell Health, 1 July 2024
  • The brand lists even more uses against ailments including abscesses, boils, carbuncles, chafing, cysts, gravel rash, heat rash, cracked nipples, and even the temporary relief of the symptoms of dermatitis and eczema.
    — Dan Koday, Travel + Leisure, 7 Feb. 2023
  • Luckily, heat rashes are easily treatable with a little OTC medication.
    — Sarah Bradley, Women's Health, 20 June 2023
  • According to the Centers for Disease Control and Prevention, heat rash is a skin irritation caused by excessive sweating during hot, humid weather.
    — Maggie O'Neill, Health.com, 25 June 2020
  • 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, 10 May 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'heat rash.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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