Symptoms you are likely to notice Your fingers or toes will become very pale when exposed to the cold . They may turn bluish and then become red. Symptoms your physician may observe A cold challenge test in which you dip your hands in cold water makes it possible for your physician to observe actual Raynaud's symptoms. Your physician may prescribe medication that will expand the arteries and improve your circulation. Infrequently surgery is performed in which the nerves controlling the arteries in the fingers are cut.
Prevention Stay indoors in cold weather as much as possible.
Wear warm mittens and socks. Do not smoke.