If there is any metal in the brace is could be a Nickel allergy. Or you could have a latex allergy if there is latex in the brace's elastic. Babydoll was right about the cotton, it absorbs lots of moisture but can't breath to let it evaporate to get it away from your skin. If you think it is the sweat causing the problem and not the brace, a weird but usually effective method to reduce the sweat (once the skin heals) is use antiperspirant where the brace will be....
I haven't had that problem with a knee brace but I've had other issues similar in the past. It could be due to the sweating. I do know that some people can get a rash when they sweat in certain places and fabric is rubbing or the area cannot breath. I suppose the sweat and oils/dirt irritates the skin. Maybe the knee brace is too tight and the skin can't breath. Also, I read somewhere else that cotton is not a good fabric to use when running. As for the little hives that you were talking about. I got that once before when the elastic in my sock was too tight and my shoe was rubbing it. It was a red bump that was a itchy but it went away in a day or two.
Maybe try a different brand or maybe try another size. It's tough with sizes because you want to have that support but if it makes you sweat too much, that could be the problem. I wonder if one of the running stores online has specific kinds of braces made for running that would help you.
I hope that helps
Pounds lost: 5.2
Fitness Minutes: (25,283) Posts: 448 3/5/09 12:29 A
So I have been having some knee pain and while going to the doctor and getting all the expensive test he wishes to do (multiple visits, x-rays, MRI....) I also bought a knee brace after he told me I have "weak ligaments".
I started to use it and it was fantastic for the knee support, the pain was almost gone. The problem I have now is I have two different horrible rashes on my leg, in the area where the knee brace goes. One below the knee looks like a burn and the other one on the top part of the knee looks like hundred red mini hives and it goes all the way around and itches like crazy (gross I know).
I have taken allergy medicine (zyrtec) but it hasn't really helped. I applied some Caladryl but it didn't help at all (actually I think it itched more). I also washed the knee brace with soap and water. I even tried putting an old piece of cotton clothing between the knee brace and my skin, but all it did was make it uncomfortable, tight, and super sweaty.
Has anyone experienced this before? Any suggestions as to what to do to make the rash go away and prevent it from happening again? I don't want to stop using the brace as it REALLY REALLy helps with the support and therefore the pain and with out it I can't really run........
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