My 5 year olds left foot (top toward toe joints) looked red (very dry looking) and almost broken open in a couple spots), but then between toes on top and underneath the skin was peeling off really bad. What could this be? His other foot was completely normal.
Hi...by what you quote this looks like a cellulitis or local skin and soft tissue infection of the region. But, skin conditions are best diagnosed only after seeing directly. I suggest you to upload photographs of the same on this website, so that I can guide you scientifically.  Hope my answer was helpful for you.  I am happy to help any time. Further clarifications and consultations on Chat Doctor are welcome. If you do not have any clarifications, you can close the discussion and rate the answer. Wish your kid good health.