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A member asked:
Which local anesthetic has the longest duration or half life?
A doctor has provided 1 answer
Bupivacaine: Bupivicaine and ropivicaine are the longest acting local anesthetics available today, and lasts between 6-12 hours. A liposomal bupivacaine formulation pendng fda approval, which could last 72 hours.
Answered 6/27/2013
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