Why do my toes get red bumps that itch terribly during cold weather?

Why do my toes get red bumps that itch terribly during cold weather?

1. Introduction Itchy, red bumps on the toes during cold weather are a classic presentation of chilblains, a medical condition formally known as perniosis. This painful and frustrating dermal reaction occurs when localized cold temperatures cause the small blood vessels in the toes to constrict tightly to preserve heat. When the feet are subsequently warmed … Read more