Heat Rash: Symptoms and How to Treat It


“They can both be red and itchy and sometimes they can occur in the same areas,” Dr. Katta added. “One difference is that eczema tends to look more patchy and scaly.” The itchy areas are usually flatter and ill-defined on the edges, whereas warmth rash tends to feel and look extra like distinct bumps.

Another situation usually mistaken for warmth rash is polymorphous mild eruption, which is an itching or burning rash of tiny, infected bumps or barely raised patches of pores and skin. “It’s a very unique condition that people notice when they take a sunny vacation,” for the primary time shortly. It can occur any time, however usually happens when individuals journey within the spring or early summer season and are uncovered to way more solar than their our bodies are used to, particularly after the winter months, Dr. Lamb defined. This could cause them to “break out in a rash, usually pretty exclusively on the sun exposed areas.”

What’s distinctive about polymorphous mild eruption although, she mentioned, is that “unlike heat rash, it isn’t really due to temperature or humidity — it’s really due to sunlight.”

Experts say that anybody can get warmth rash. If you develop it, and even in case you have heat-induced eczema, the very first thing you need to do is transfer to a cooler location, Dr. Lamb mentioned. Get out of the warmth and into the shade, and keep away from peak warmth and humidity hours.

“Remove any tight fitting clothing” and wash off any thick lotions, like sunscreen or moisturizers, which could stop your pores and skin from respiratory, Dr. Nadine Kaskas, a board-certified dermatologist at Mount Sinai, wrote in an e-mail. “Take a cool shower or apply cool compresses with a clean washcloth.” She added which you could get over-the-counter ointments like calamine lotion to assist soothe any itchiness — although if it turns into particularly bothersome, you need to seek the advice of together with your physician, as you might want a prescription for a topical steroid cream.

When left untreated, warmth rash normally calms down by itself when you’ve gotten away from any scorching and humid environments, Dr. Lamb mentioned. Though there’s a slim probability of creating an an infection if blisters break open and you don’t maintain your pores and skin clear.

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