How do I know if I have idiopathic guttate hypomelanosis or tine versicolor? Spots are white and very tiny. It doesnt itch but little but flaky>not much

Have it evaluated. This site is not a substitute for local docs when the need arises. We are happy to point you toward the proper care, but will not diagnose or treat you. The issue you relate can be sorted out in a simple office visit.