What would cause a sudden outbreak of chaffing/rash in your armpit?

Answer #1

If it’s been excessively hot and you’ve been sweating more than usual, or you’ve changed your laundry detergent or the type of deodorant you usually use.

Answer #2

Must be the heat cause haven’t done anything else differant, thanks

Answer #3

new/expired deodorant, curtain clothing, heat

Answer #4

Your deodorant? I do that with like 90% of deodorant. Even if I’ve been using a certain kind for months, I’ll still suddenly develop an allergic reaction to it at any time.

Answer #5

Sweat can build up in your skin causing rashes.

Answer #6

Any number of things can cause cause chaffing or a rash to occur. Overuse can clog and block pores and sweat glands too, causing underarm problems such as rash, cysts and sores, burned skin, etc.

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