Small, slightly yellow, bumps which seems to be filled with water like or pus under my left foot. skin is also peeling everywhere on foot. ?

Vesicular eruption: There are several different possible causes of what sounds like a vesicular rash on your foot. This sounds like it may be caused by the same organism that causes athlete's foot, especially because you say you are having peeling of skin as well. You might also want to make sure you haven't had recent exposure to something that may cause contact dermatitis, another cause of a vesicular rash.