(See also Overview of Functional Peripheral Arterial Disease Overview of Functional Peripheral Arterial Disease Functional peripheral arterial disease is much less common than occlusive peripheral arterial disease. Normally, the arteries of the arms and legs widen (dilate) and narrow (constrict) in response... read more .)

Acrocyanosis usually occurs in women. The fingers and hands or toes and feet tend to feel cold and to be bluish (cyanosis). Hands or feet sometimes sweat profusely and may swell. Emotional stress or exposure to cold usually intensifies the bluish discoloration, and warming reduces it. The disorder is not painful and does not damage the skin.
Doctors diagnose the disorder based on symptoms that are limited to the person’s hands or feet and that persist even though pulses in the larger arteries (such as in the wrist and ankle) are normal.
Treatment is usually unnecessary. However, doctors may recommend that the person try to avoid exposure to the cold. Doctors may prescribe medications that dilate the arteries (such as calcium channel blockers Calcium channel blockers High blood pressure is very common. It often does not cause symptoms; however, high blood pressure can increase the risk of stroke, heart attack, and heart failure. Therefore, it is important... read more ), but these drugs usually do not help. Usually, reassurance that the bluish skin discoloration does not indicate a serious disorder is all that is necessary.
More Information
The following English-language resource may be useful. Please note that THE MANUAL is not responsible for the content of this resource.
Vascular Cures: General information on symptoms, diagnosis, and treatment of blood vessel disorders and resources for affected people