Truxacaine

Serious side effects have been reported with lidocaine. See the “Lidocaine Precautions” section.

Topical:

Common side effects of topical lidocaine include irritation at site of application, including burning, blisters, bruising, redness, or swelling at the site of application. Lidocaine ointment, gel, and cream, as well as the oral solution, may also cause vomiting, seizures, ringing in the ears, and irregular heartbeat. Lidocaine ophthalmic gel may cause headache or bloodshot eyes.

Lidocaine may also cause dizziness and drowsiness. Do not drive or operate heavy machinery until you know how this medication affects you. 

Injectable:

Common side effects of injectable lidocaine include confusion, nervousness, numbness, blurred vision, irregular heartbeat, vomiting, seizures, ringing in the ears, headache, and shivering.

This is not a complete list of lidocaine side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

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

Tell your doctor about all of the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:

• disopyramide (Norpace)
• flecainide (Tambocor)
• medications applied to the skin or mouth to treat pain
• mexiletine (Mexitil)
• moricizine (Ethmozine)
• procainamide (Procanabid, Pronestyl)
• propafenone (Rhythmol)
• quinidine (Quinidex)
• tocainide (Tonocard)

This is not a complete list of lidocaine drug interactions. Ask your doctor or pharmacist for more information.

Medications can interact with certain foods. In some cases, this may be harmful and your doctor may advise you to avoid certain foods. In the case of lidocaine, there are no specific foods that you must exclude from your diet when receiving this medication.

Tell your doctor if you are breastfeeding or plan to breastfeed.

It is not known if lidocaine crosses into human milk. Because many medications can cross into human milk and because of the possibility for serious adverse reactions in nursing infants with use of this medication, a choice should be made whether to stop nursing or stop the use of this medication. Your doctor and you will decide if the benefits outweigh the risk of using lidocaine.

Take this medication exactly as prescribed by your doctor. Follow the directions on your prescription label carefully. The dose and frequency of use of lidocaine will depend on the condition being treated or the procedure you will undergo.

The dose your doctor recommends may be based on the following:

• other medical conditions you have
• other medications you are taking
• how you respond to this medication

Do not use topical forms of lidocaine on broken or blistered skin.

Do not swallow the oral solution of lidocaine. Swish and/or gargle in your mouth and/or throat and spit out the solution.

Store lidocaine at room temperature.

Keep this and all medicines out of the reach of children.

You should not receive this medicine if you are allergic to lidocaine injection or any other type of numbing medicine, or if you have:

• severe heart block;

• a heart rhythm disorder called Stokes-Adams syndrome (sudden slow heart beats that can cause you to faint); or

• a heart rhythm disorder called Wolff-Parkinson-White Syndrome (sudden fast heartbeats that can cause you to faint or become easily tired).

To make sure lidocaine injection is safe for you, tell your doctor if you have:

• an allergy to corn products;

• liver disease;

• kidney disease;

• heart disease (unless you are being treated with lidocaine injection for a heart condition);

• coronary artery disease, circulation problems; or

• a history of malignant hyperthermia.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant.

Lidocaine can pass into breast milk, but effects on the nursing baby are not known. Tell your doctor if you are breast-feeding.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your caregiver right away if you have:

• twitching, tremors, seizure (convulsions);

• a light-headed feeling, like you might pass out;

• slow heart rate, weak pulse, weak or shallow breathing;

• sudden feeling of warmth with muscle stiffness and pain;

• dark urine;

• blue appearance of the skin; or

• severe anxiety, unusual fear or uneasy feeling.

Common side effects may include:

• drowsiness, dizziness;

• vomiting;

• feeling hot or cold;

• confusion, ringing in your ears, blurred vision, double vision; or

• numbness in places where the medicine is accidentally applied.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.