Raynauds phenomenon is a condition in which cold temperatures or strong emotions cause blood vessel spasms that block blood flow to the fingers, toes, ears, and nose.
Raynaud's phenomenon can be associated with other conditions. This is called secondary Raynaud's phenomenon. Most people with the condition are over age 30.
Common causes are:
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Source: HealthCentral Encyclopedia
Raynaud's phenomenon is a disorder of small blood vessels that respond excessively to stimuli which causes poor blood flow, usually in the... Read more »
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Source: ADAM Encyclopedia
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Source: ADAM Encyclopedia
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