Some showed up like
acne, when pressed, like pimple, oozed some white pus, later disappeared. Some came like
allergy and all disappeared. Some left very dark scars. Still today I see few of them showing up and disappearing. When I asked someone they told me, it is due to heat and called heat rash. I stayed in place where it sweats profusely, and really skin burns. But now I am in very cold place, and you know it is already winter. If these are due to heat rash, they should be gone by now.