They are sweat related. Little tiny blisters in the arch of my foot. Sore and itchy. Pop a blister, clear fluid comes out. I don't know what this is, but my foot is super tender.
HFMD, hand foot mouth disease could be the culprit. Or this may be a symptom of shingles; take Lysine to see if that clears up the viral shingles and avoid chocolate as it has Arginine that is a proviral.