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cause of raynauds phenomenon

A 46-year-old member asked:
Dr. Arnold Beresh
40 years experience in Podiatry
See below: It is a constriction of the blood vessels on exposure to cold.

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A 34-year-old member asked:
Dr. Betty Keller
34 years experience in Rheumatology
Cold and stress: We do not completely understand the cause of raynaud's, but exposure to cold and emotional stress cause spasm in the blood vessels of the hands and fe ... Read More
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A 49-year-old member asked:
Dr. Robert Kwok
32 years experience in Pediatrics
Many disorders can: Many disorders can cause raynaud's phenomenon. Examples include: scleroderma, lupus, rheumatoid arthritis, sjogren's syndrome, atherosclerosis, subcla ... Read More
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A 53-year-old member asked:
Dr. Robert Kwok
32 years experience in Pediatrics
Nicotine constricts: Nicotine constricts blood vessels, so smoking can worsen raynaud's symptoms. Caffeine can also worsen raynaud's symptoms.

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