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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Itchy Rashes On The Body After Exposure To Heat?

Hi, I recently started noticing an increased sensitivity to heat, like, even if I exert myself slightly, I feel itchy all over. I also noticed these faint reddish colourations (the itchy sites when I feel slightly hot) with heat rashes on them, which is ridiculous because its mostly cold here. I feel completely fine - no fever or whatever else - and this itchiness only starts when I feel slightly hot and goes away once I remove a cloth or turn on the AC or do anything that would lower my body temperature. Sometimes being too excited triggers the itchiness. What may be the problem? I m really tired and just grateful we are approaching winter, not summer. I really hope you know what this botheration is and would be able to help me with actionable advice. Thank you in advance.
posted on Tue, 17 Oct 2017
Twitter Sun, 31 Dec 2017 Answered on
Twitter Tue, 2 Jan 2018 Last reviewed on
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General & Family Physician,  's  Response
Hi,
Thanks for asking.
I feel in your case exposure to heat/altered hormonal Pattern or exercise stimulate your heat in body.. secreates more sweat &the skin reaction to sweat (allergic type) creates the rashes &itch.
The way out is avoiding exposure to heat. /working in a comfortable condition, take frequent Cold water washes in summer.wear light loose cotton clothes,changes inner wears frequently.prefer cooler/a.c.
Take anti histaminic pill in severe summer.Apply antiallergic cream to affected area
.Thanks.

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What Causes Itchy Rashes On The Body After Exposure To Heat?

Hi, Thanks for asking. I feel in your case exposure to heat/altered hormonal Pattern or exercise stimulate your heat in body.. secreates more sweat &the skin reaction to sweat (allergic type) creates the rashes &itch. The way out is avoiding exposure to heat. /working in a comfortable condition, take frequent Cold water washes in summer.wear light loose cotton clothes,changes inner wears frequently.prefer cooler/a.c. Take anti histaminic pill in severe summer.Apply antiallergic cream to affected area .Thanks.