Terrasil Cold Sore

Topical:

Serious side effects have been reported with topical lidocaine including the following:

Allergic reactions. Tell your healthcare provider right away if you have some or all of the following symptoms of an allergic reaction.

• Difficulty breathing or swallowing
• Swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
• Hives or skin rash
• Fast heartbeat
• Fast breathing
• Nausea or vomiting
• Confusion
• Weakness
• Fainting
• Seizures or convulsions

Injectable:

Serious side effects have been reported with injectable lidocaine including the following:

Allergic reactions. Tell your healthcare provider right away if you have some or all of the following symptoms of an allergic reaction.

• Difficulty breathing or swallowing
• Swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
• Hives or skin rash
• Fast pulse
• Fast breathing
• Nausea or vomiting
• Confusion
• Weakness
• Fainting
• Seizures or convulsions

Injectable lidocaine may also affect the central nervous system, including lightheadedness, nervousness, blurred or double vision, altered sensations, and changes in respiration.

Injectable lidocaine may also affect the cardiovascular system, including changes in heartbeat, decreased blood pressure, and cardiac arrest.

Lidocaine can cause drowsiness and dizziness. Do not drive or operate heavy machinery until you know how lidocaine affects you.

Do not take lidocaine if you:

• are allergic to lidocaine or to any of its ingredients
• are allergic to other local anesthetics, including bupivacaine (Marcaine), etidocaine (Duranest), mepivacaine (Carbocaine, Prolocaine), or prilocaine (Citanest)

Additionally, do not take injectable lidocaine if you:

• have Stokes-Adams syndrome or Wolff-Parkinson-White syndrome
• have sinoatrial, atrioventricular, or intraventricular block

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.

If you take too much lidocaine, call your healthcare provider or local Poison Control Center, or seek emergency medical attention right away.

If lidocaine is administered by a healthcare provider in a medical setting, it is unlikely that an overdose will occur. However, if overdose is suspected, seek emergency medical attention.