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Procedures such as laceration repair, which at one time required the use of painful infiltrative anesthetics, can now be accomplished safely and comfortably with the use of topical anesthetics. An additional advantage of topical anesthetics in laceration repair is that wound margins are not distorted.
Local anesthesia is used for a variety of reasons, including but not limited to elimination of pain so that the following can be carried out: repair of lacerations, skin surgery, treatment of painful oral or genital lesions, and the removal of superficial lesions by chemical or physical means.