Blanching may occur in only 1 or 2 fingers, but it is not uncommon to see changes in all fingers. In addition, it may affect the toes, tip of the nose, or even the earlobes. Raynaud disease will almost always affect both hands. Raynaud phenomenon may only affect one hand. After the arteries relax again, the tissues get oxygen.
Skin color changes from blue to a bright red color.
The color change from white to blue to red is called a triphasic reaction. HOME CARE Section 5 of 13 Prevention is the best treatment for Raynaud syndrome. Avoid exposure to cold environments if possible. Wear warm clothing over hands, feet, and entire body. Wear loose-fitting clothing in layers.