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How does lidocaine and epinephrine work as an anesthetic?

Lidocaine and epinephrine numbs the skin or tissue before medical procedures so that you do not feel pain. Lidocaine and epinephrine comes in the form of an injection or a patch. To numb the skin, your doctor will inject the medication or apply a patch before a procedure. The medication deadens the nerves so that you do not register pain in your brain. Unlike other anesthetics used during procedures, lidocaine and epinephrine allows you to remain conscious.

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