Description and Brand NamesBefore UsingProper UsePrecautionsSide Effects Descriptions Lidocaine 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 belongs to a group of medicines known as topical local anesthetics. It deadens 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. This product is available in the following dosage forms: • Foam • Dressing • Cream • Pad • Patch, Extended Release • Ointment • Lotion • Gel/Jelly • Spray • Solution • Powder • Aerosol Liquid 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: Allergies 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. Pediatric Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of lidocaine in children. 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. Geriatric No information is available on the relationship of age to the effects of lidocaine 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. Drug Interactions 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. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine. Other Interactions 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: • Heart block or • Shock, severe—Use with caution. • Infection at or near the place of application or • Large sores, broken skin, or severe injury at the area of application—Use with caution. The chance of side effects may be increased. 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. A nurse or other trained health care professional will give you this medicine before having a medical procedure. Wash your hands with soap and water before and after using this medicine. Unless otherwise directed by your doctor, do not apply this medicine to open wounds, burns, or broken or inflamed 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. Be careful not to get any of this medicine in your eyes, because it can cause severe eye irritation. If any of the medicine does get in the eyes, wash the eyes with water for at least 15 minutes and check with your doctor right away. Dosing 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. • For topical dosage form (ointment): For pain and itching caused by minor skin conditions: Adults—Apply to the affected area three or four times a day. The largest amount of ointment that should be used in a single application is 5 grams. If you use the 5% ointment, this is about 6 inches of ointment from the tube. Children—Dose is based on body weight and must be determined by your doctor. Missed Dose 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. Storage 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. 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. 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. Stop using this medicine and check with your doctor right away if you have a skin rash, burning, stinging, swelling, or irritation of your skin. 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. Do not use cosmetics or other skin care products on the treated skin areas. 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 or nurse immediately if any of the following side effects occur: Incidence not known • Blurred vision • chest pain or discomfort • cold, clammy, or pale skin • confusion • cough • difficult or troubled breathing • difficulty with swallowing • dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly • false or unusual sense of well-being • fast heartbeat • fear • hives or welts • irregular, fast or slow, or shallow breathing • itching • lightheadedness, dizziness, or fainting • mood or mental changes • nervousness • no blood pressure or pulse • pale or blue lips, fingernails, or skin • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue • redness of the skin • seizures • shakiness in the legs, arms, hands, or feet • shortness of breath • skin rash • sleepiness • slow heart rate • slow or irregular heartbeat • stopping of heart • swelling • tightness in the chest • trembling or shaking of the hands or feet • twitching • unconsciousness • unusual tiredness or weakness • weakness • wheezing 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: Incidence not known • Cold or numbness • continuing ringing or buzzing or other unexplained noise in the ears • double vision • hearing loss • heat sensation 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.