A member asked:

The dorsum of one hand is cold, the proximal phalanx is reddened and gets somewhat puffy. at times they itch and have little pimple like bumps,, no oozing. is it poor circulation especially in winter?? i admit that im an idiot as i still smoke cigs?

A doctor has provided 1 answer

You are right, it has to do with poor circulation especially of the type that is reactive to cold; and smoking does not help but it could happen even without smoking. It is important to quit if you are able to but keeping warm with gloves if it prevents it should be tried. It is a form of vasoactive process called Raynaud's disease.

Answered 12/28/2022

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