Lidocaine (LYE-doe-kane), Tetracaine (TET-ra-kane)
Numbs a small area of skin to reduce pain when the skin has to be cut during a minor procedure.
There may be other brand names for this medicine.
When This Medicine Should Not Be Used
You should not receive this medicine if you have had an allergic reaction to lidocaine, tetracaine, or any other numbing medicines such as lidocaine, procaine, Carbocaine®, Marcaine®, Novacaine®, or Sensorcaine®.
How to Use This Medicine
- A doctor or other healthcare professional will apply this medicine to your skin in a clinic or hospital setting.
- The patch is applied to your skin about 20 to 30 minutes before your procedure. Do not cover the vent holes in the top of the skin patch while you are wearing it. Tell your doctor if you still have feeling in the skin after 30 minutes have passed.
- This medicine is for use on the skin only. Do not get it in your eyes, nose, or mouth. Do not use it on skin areas that have cuts or scrapes. If it does get on these areas, rinse it off right away.
- Do not cut the patch or tear it apart in any way. This could cause medicine to leak out of the patch and burn your skin.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Tell your doctor if you use a heart rhythm medicine such as tocainide or mexiletine (Mexitil®).
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breast feeding, or if you have liver disease.
- Tell your doctor if you have ever had breathing problems caused by general anesthesia during a surgery.
- You may not have feeling in your treated skin areas for several hours after using the skin patch. Be careful not to accidentally injure the skin by scratching or rubbing it while it is still numb. Avoid exposing the skin to very hot or cold temperatures until your feeling returns.
- If you need to have an MRI (magnetic resonance imaging) scan, the skin patch must be removed before your scan.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
- Burning where the patch is applied.
- Confusion, blurred vision.
- Lightheadedness and fainting.
- Shallow breathing.
If you notice these less serious side effects, talk with your doctor:
- Blistering, redness, swelling, or irritation where the skin patch was placed.
- Changes in skin color where the skin patch was placed.
- Feeling a hot or cold sensation where the skin patch is applied.
- Headache, dizziness, drowsiness, ringing in your ears.
- Nausea, vomiting.