A local anesthetic is a mild anesthetic used to numb a specific
area of the body (such as a Novocaine shot). Novocaine is the most
commonly used local anesthetic, though there are topical local
anesthetics that can be rubbed on the skin (i.e. Oragel)
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An anesthesiologist may be on hand during surgery to administer
the local anesthetic.
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You should not drive up to twelve hours after you've received a
local anesthetic. This is because the anesthetic can make you
drowsy, tired, and not fully aware of your surroundings.