In reply to your question regarding your hands and feet and your increase sweating. You appear to have the condition Raynauds or a form of given the mechanism is not typically the same as the more common form of Raynuads which you describe.
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Not lotioning breast can be the cause of itchy cracked peeling nipples so you should really start lotioning them because if you don't they're gonna become really dry and cracked. But when that happens to me I just putt vaseline on them and it clears it right up in one day.