A few hours: The common local anesthetics used to numb up hands should last for a number of hours. Occasionally, I have done nerve blocks for surgery with large volumes of local anesthetic that have lasted for 18 to 24 hours.
Answered 7/14/2012
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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
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