A member asked:

Thumb keeps turning purple right above the first joint and is sore and tight feeling when i bend it. it comes and goes, is it a broken blood vessel?

A doctor has provided 1 answer
Dr. Matt Wachsman answered

Specializes in Internal Medicine

Not a bruise: if it comes and goes. Must be reversible blood flow issue. Most commonly it is RAYNAUD"S PHENOMENA from variation in blood flow often due to cold exposure.

Answered 12/26/2017

3.3k views

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