Feet leaving marks on socks?

I have a problem with bad smelling feet. I've looked up questions similar to this but I haven't found anything that applies to me. The thing is, not only do I have smelly feet but i have like a yellow callous that cover the majority of the bottom of both feet. So, when I sweat really bad, which I do all... show more I have a problem with bad smelling feet. I've looked up questions similar to this but I haven't found anything that applies to me. The thing is, not only do I have smelly feet but i have like a yellow callous that cover the majority of the bottom of both feet. So, when I sweat really bad, which I do all the time, it's leaving dark yellow marks on my socks along with really bad ordor. Anyone have any suggestions?
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