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Hello this is Dr. Salama MD,
Can you take a picture of your hands?
It does sound like Raynaud's more than anything else.
We do know that smoking can absolutely damage your peripheral vessels which affects blood flow to the extremities.
I would recommend pursuing consultation with a vascular specialist who can run tests on your blood vessels and find the potential issue.
Let me know if you have any other questions.
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Checking in. Is there anything else I can help you with today?