10 Side Effects of Lidocaine

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Lidocaine Side Effect #4: Accidental Numbness

Local anesthetics work by helping to desensitize the nerves in the area that is being treated. This helps relieve the patient of pain, itching and other unpleasant sensations. This will also cause a sensation of numbness, although this is far more preferable to the more unpleasant sensations.

Lidocaine is usually used as a topical local anesthetic, meaning that it will cause sensations of numbness. While this is often expected, it can sometimes come into contact with other parts of the body accidentally when it is being applied. This is not usually a cause for alarm and the effect will pass harmlessly in time.