What cause unexplained swelling and reddishness surrounded by hand and foot?
Answers: The first thing that comes to mind is circulation, something is cause the blood to stay near the extremeties. This could be serious and he should see a physician for this.
It could also be something he ate, something he touched, a medication or lotion he used. If you have used something hot and he was exposed to it, he could be experiencing a reaction to it.
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