A group of symptoms that include paleness, redness or blueness and pain or prickling in the fingers, toes, ears or nose.
Raynaud’s phenomenon is the result of a lack of blood to the area and is usually brought on by cold or emotional stress.
When the cause of the condition is not known, it is called Raynaud’s disease or primary Raynaud’s phenomenon. When the condition is caused by another disease or chemotherapy, it is called secondary Raynaud’s phenomenon.
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