A 53-year-old member asked:
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Why does smoking usually cause raynaud's phenomenon?

1 doctor answer
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.
Answered on Sep 28, 2016

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