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Xylocaine Jelly MM

Generic Name: LIDOCAINE JELLY - MUCOUS MEMBRANE
Pronounced: (LIE-doh-cane)

Xylocaine Jelly MM Side Effects

Mild nausea, stinging, swelling, and burning may occur. Dizziness and drowsiness may also occur. If these effects persist or worsen, notify your doctor.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Seek immediate medical attention if any of these rare but serious side effects occur:

  • slow/shallow breathing
  • slow/irregular heartbeat
  • mental/mood changes (e.g., drowsiness, confusion, nervousness)
  • seizures
  • fainting
  • vision changes (e.g., double or blurred vision)


A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Xylocaine Jelly MM Precautions

Before using lidocaine, tell your doctor or pharmacist if you are allergic to it; or to other anesthetics (e.g., bupivacaine, prilocaine); or to PABA; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

  • bites/cuts/scrapes/sores in the area to be treated
  • heart problems (e.g., irregular heartbeat)
  • severe infection with high fever (e.g., sepsis)
  • liver disease


Lidocaine may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that require immediate medical attention. The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may affect the heart rhythm (see also Drug Interactions section). Before using lidocaine, tell your doctor or pharmacist if you have any of the following conditions:

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