First question Crazy Painful itching all over body in winter everytime in winter when i am about to do a activity(Walk) my skin starts to itch very painfully, its mostly all over my upper body and legs. It is really really painful, it feels like someone is poking me with thousands of needles all over my body. But once I get sweaty it goes away. Sweating makes it go away. And now i have started feeling that the itching attack creates small little pimple looking things all over my body, after few hour it's disappear, so what is this? second Question. my finger skin getting dry, after using vasline, it's gone but it happens again and again