Chilblains are a common problem of the toes in colder climate. They are not exactly caused by the cold, but more by a too rapid warming after the skin get cold. The chilblain occurs when the blood vessels do not open up as rapidly as they should to supply blood and remove waste products from the skin. The chilblains is an inflammatory reaction to that build up of waste products Even though they are small, the chilblain can be quite painful and is also itchy. They start out as a red colored lesion, then develop into a darker blueish color as they become more chronic. The best treatment for chilblains is prevention, by not letting the feet get cold.