Lidocaine injection is a local anesthetic (numbing medication). It works by blocking nerve signals in your body.

Lidocaine injection is used to numb an area of your body to help reduce pain or discomfort caused by invasive medical procedures such as surgery, needle punctures, or insertion of a catheter or breathing tube.

Lidocaine injection is sometimes used to treat irregular heart rhythms that may signal a possible heart attack.

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  • Anestacaine, Dilocaine, L-Caine, Lidoject 1, Nervocaine, Truxacaine, UAD Caine, Xylocaine HCl
  • If any of the following side effects occur while taking lidocaine, check with your doctor or nurse immediately:

    More common:
    Flushing or redness of the skin
    itching skin
    small red or purple spots on the skin
    unusually warm skin
    Less common:
    Bruising, bleeding, burning, swelling, or pain at the application site
    Severity: Minor
    Some of the side effects that can occur with lidocaine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

    Less common:
  • (injectable solution, intravenous solution, compounding powder)