I am Harinder Singh from Barnala Punjab .I am 30 yrs.in winter season I have problem of itching in my whole body.so every time in winter when I do any activitylike running,cricket,fast walking etc.my skin starts to itch very painfully.it feels like someone is poking me with thosands of needles all over my body but once I get sweaty it goes away.lately I wanted it starts even if I get confused or nervous of something my body starts heating up and it creates the itch and icant get sweaty.so I am very upset from this problem. Please help me and give ssuitable treatment or suggestions.