This Is Why You Get Heat Rash, Plus Exactly How to Cool It



Heat rash, prickly heat—whatever you want to call it, it's not pretty. If you've ever had it, you'll recall an itchy, red, and bumpy rash on your skin that appeared after you've sat out in the sun. You may think you'll only get this on holiday, but that's not the case. You can get it anywhere—our editorial director had a nasty case of prickly heat during the UK's very hot summer of 2003—but you might want to be even more cautious if you're abroad in a hot country. Seeing as we're not experts on the matter, we turned to Anjali Mahto, MD, consultant dermatologist at the Cadogan Clinic, on the matter, who not only told us how to spot it quickly but also gave us some incredible tricks on how to treat it immediately and long term.

Keep scrolling for your 101 guide to heat rash.

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