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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.
The simplest anesthetic technique is to inject medications (local anesthetics) directly into the site where a procedure will be performed. This is commonly used for simple, small operations, which can be performed quickly. Advantages of local anesthesia include quick onset, minimal expense, and simplicity. In addition, a local anesthetic is most commonly administered by the surgeon, and there is no need for the services of an anesthesiologist.