Local anesthetics work via attaching to and blocking sodium ion channels, while general anesthetics have the effect of opening potassium ion channels.
A local anesthetic is a drug that eliminates the sensation of pain. In surgery, local anesthesia, in contrast to general anesthesia, provides relief from pain in a specific part of the body without loss of consciousness.
Local anesthesia involves numbing a part of the body with a drug called a local anesthetic. These drugs can be used to treat painful conditions, prevent pain during procedures or surgery, and relieve pain after surgery.
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