Seizures, cardiopulmonary arrest, and death have been reported in patients under 3-years-old when lidocaine solution 2% was not administered according to dosing and administration recommendations. This drug should not be used for teething pain and only be administered to patients under 3-years-old when absolutely necessary .
Lidocaine topical jelly or ointment is used on different parts of the body to cause numbness or loss of feeling for patients having certain medical procedures. It is also used to relieve pain and itching caused by conditions such as sunburn or other minor burns, insect bites or stings, poison ivy, poison oak, poison sumac, minor cuts, or scratches.
Lidocaine viscous topical solution is also used to treat sore mouth or throat and also reduce gagging during the taking of X-ray pictures and dental impressions.
Lidocaine skin patch is used to relieve pain caused by shingles (postherpetic neuralgia).
Lidocaine belongs to the family of medicines called local anesthetics. This medicine prevents pain by blocking the signals at the nerve endings in the skin. This medicine does not cause unconsciousness as general anesthetics do when used for surgery.
This medicine is available only with your doctor's prescription.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Because of this medicine's toxicity, it should be used with extreme caution in children younger than 3 years of age, only after other medicines have been considered or found ineffective. Recommended doses should not be exceeded, and the patient should be carefully monitored during therapy. Do not give lidocaine viscous topical solution for teething pain.
Appropriate studies have not been performed on the relationship of age to the effects of lidocaine skin patch in the pediatric population. Safety and efficacy have not been established.
No information is available on the relationship of age to the effects of lidocaine topical in geriatric patients. However, because of this medicine's toxicity, it should be used with caution, after other medicines have been considered or found ineffective. Recommended doses should not be exceeded, and the patient should be carefully monitored during therapy.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other medical problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
Use this medicine exactly as directed by your doctor. Do not use it for any other condition without first checking with your doctor. This medicine may cause unwanted effects if it is used too much, because more of it is absorbed into the body through the skin.
This medicine should only be used for problems being treated by your doctor. Check with your doctor before using it for other problems, especially if you think that an infection may be present. This medicine should not be used to treat certain kinds of skin infections or serious problems, such as severe burns.
If you are using the topical jelly or ointment:
If you are using the viscous topical solution:
If you are using the skin patch:
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
If you miss a dose of this medicine, apply it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.
If you forget to wear or change a patch, put one on as soon as you can. If it is almost time to put on your next patch, wait until then to apply a new patch and skip the one you missed. Do not apply extra patches to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
After removing a used patch, fold the patch in half with the sticky sides together. Make sure to dispose of it out of the reach of children and pets.
It is very important that your doctor check you closely for any problems or unwanted effects that may be caused by this medicine.
If your symptoms do not improve within a few days or if they become worse, check with your doctor.
Check with your doctor right away if you have a rash, burning, stinging, swelling, or irritation of your skin after using this medicine.
After applying this medicine to the skin of your child, watch the child carefully to make sure that he or she does not get any of the medicine in the eyes or mouth. Lidocaine can cause serious side effects, especially in children, if it gets into the mouth and is swallowed.
If you are using the viscous topical solution medicine in the mouth or throat, be aware of signs of toxicity. If you or your child experience lethargy, shallow breathing, or seizures after use of this medication, seek immediate medical attention and do not give any more doses.
If you are using this medicine in the mouth or throat, do not eat or drink anything for one hour after using it. When this medicine is applied to these areas, it may cause swallowing and choking problems. Do not chew gum or food while your mouth or throat feels numb after you use this medicine. You may accidentally bite your tongue or the inside of your cheeks.
Heat can cause the lidocaine in the patch to be absorbed into your body faster. This may increase the chance of serious side effects or an overdose. While you are using this medicine, do not use a heating pad, electric blanket, heat or tanning lamps, sauna, a sunlamp, or a heated water bed, and do not sunbathe.
Do not use cosmetics or other skin care products on the treated skin areas.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.