A member asked:

Every night for the lasrt three weeks in the middle of the night ii wake up and my left lower leg isreally cold. what could this be?

A doctor has provided 1 answer

Poor blood flow=bad: A cold leg is very worrisome for ischemia. That means not enough blood is getting to the foot. It would be unusual to have this without pain though. You should see a doctor right away!

Answered 7/26/2013

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