Common miraDry side effects include underarm swelling, redness and soreness that can last several days to a few weeks. The degree of swelling can range from minor irritation to large golf-ball-sized lumps. Most of the side effects of my miraDry treatment were just temporary swelling, soreness, and redness. It was uncomfortable, but it was definitely worth having no more sweating! They went away after a couple weeks. I also continued to get occasional numbness and tingling in my arms, which still happened a few months after the procedure. I'd assume that was some sort of nerve issue with my underarm sweat glands, but it went away eventually. I have heard that there can occasionally be rarer and more unpleasant side effects though. Apparently there can be a bit of a risk for permanent nerve damage. Though rare, this could end up making it tricky to move your arm! I was worried about the potentially permanent side effects, so I did a lot of research before my miraDry treatment.
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