Raynaud’s disease is a primary disorder of the circulatory system. It affects blood circulation to the fingers and occasionally toes. Raynaud’s phenomenon is also a circulatory- system disorder, but occurs as a complication of other diseases. Both conditions involve the small arteries to the hands and feet. It affects both sexes, but is most common in females aged 20-40.
Causes of Raynaud’s Disease And Phenomenon
Raynaud's disease and phenomenon are thought to be due to spasms of the arteries that supply blood to the fingers and toes. It is often triggered by extreme sensitivity to cold. Abnormalities of the immune system, particularly the development of autoimmune disorders, is thought to be a contributing factor.
Signs and Symptoms of Raynaud’s Disease And Phenomenon
Early symptoms: fingers that turn pale when exposed to cold or stress, paleness is followed by a bluish tinge, then redness, pain, numbness and tingling accompany the color changes, and warmth relieves these symptoms. Late symptoms: chronic infections around fingernails and toenails, ulcers on the fingertips caused by inadequate blood circulation in the fingers, symptoms develop gradually over a period of years, and with Raynaud’s phenomenon, symptoms may begin suddenly.
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Medical Content Last Updated on 07/12/2008
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