Several reasons: Could be neurological from carpal tunnel to other nerve compressions in the arm shoulder or neck. If this occurs with color changes it might be a vascular issue possibly raynauds syndrome since ther are some other more serious possibilities too you better talk to a physical medicine or orthopedic specialist about it.
Answered 12/10/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
7 doctors weighed in across 2 answers
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