A member asked:

Dark skin patch on index finger joint of both hands & mild pain. also pain in right hand thumb base. no injury. i use phone a lot and deficit in vit d?

A doctor has provided 1 answer

Joint pain: The patch if new and persisting, you should see a doc. Sometimes joint pains of hands could be from too much texting. Pain is not a symptom of vitamin d def.

Answered 8/19/2013

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