Lidocaine patch 5 side effects

You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies. Lidocaine Transdermal Patch pronounced as lye' doe kane. Why is this medication prescribed? How should this medicine be used? Other uses for this medicine What special precautions should I follow? What special dietary instructions should I follow?

What should I do if I forget a dose? What side effects can this medication cause? What should I know about storage and disposal of this medication? Brand names. Wash your hands after handling lidocaine patches or topical system. Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient. Other uses for this medicine. What special precautions should I follow? Before using lidocaine transdermal, tell your doctor and pharmacist if you are allergic to lidocaine; other medications such as benzocaine.

Ask your pharmacist for a list of the ingredients. Be sure to mention any of the following: acetaminophen Tylenol , chloroquine, dapsone Aczone , disopyramide Norpace , flecainide Tambocor , medications applied to the skin or mouth to treat pain, metoclopramide Reglan , mexiletine Mexitil , moricizine Ethmozine , nitrofurantoin Furadantin , nitroglycerin Nitro-Dur , nitroprusside Nitropress , phenobarbital, phenytoin Dilantin , primaquine, procainamide Procanabid, Pronestyl , propafenone Rhythmol , quinidine Quinidex , quinine Qualaquin , sulfasalazine Azulfidine , and tocainide Tonocard.

Your doctor may need to change the doses of your medications or monitor you carefully for side effects. If you become pregnant while using lidocaine patches or topical systems, call your doctor. Unless your doctor tells you otherwise, continue your normal diet. Lidocaine patches or topical systems may cause side effects. If any of these symptoms occur, remove your patch or topical system and do not put it back on until the symptoms go away.

Tell your doctor if any of these symptoms are severe or do not go away: burning or discomfort in the place you applied the patch redness or swelling of the skin under the patch Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, call your doctor immediately: hives rash itching blisters bruising difficulty breathing or swallowing swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs hoarseness fast pulse or breathing unusual thirst nausea vomiting confusion weakness dizziness fainting pale, gray, or blue colored skin; headache; shortness of breath; lightheadedness; or fatigue Lidocaine transdermal may cause other side effects.

Symptoms of overdose may include: lightheadedness nervousness inappropriate happiness confusion dizziness drowsiness ringing in the ears blurred or double vision vomiting feeling hot, cold, or numb twitching or shaking that you cannot control seizures loss of consciousness slow heartbeat. Pain intensity and pain relief scores were evaluated periodically for 12 hours.

The constant type of pain was evaluated but not the pain induced by sensory stimuli dysesthesia. About half of the patients also took oral medication commonly used in the treatment of post-herpetic neuralgia.

The extent of use of concomitant medication was similar in the two treatment groups. It should be applied only to intact skin. Cases of methemoglobinemia have been reported in association with local anesthetic use. Although all patients are at risk for methemoglobinemia, patients with glucosephosphate dehydrogenase deficiency, congenital or idiopathic methemoglobinemia, cardiac or pulmonary compromise, infants under 6 months of age, and concurrent exposure to oxidizing agents or their metabolites are more susceptible to developing clinical manifestations of the condition.

If local anesthetics must be used in these patients, close monitoring for symptoms and signs of methemoglobinemia is recommended. Methemoglobin levels may continue to rise; therefore, immediate treatment is required to avert more serious central nervous system and cardiovascular adverse effects, including seizures, coma, arrhythmias, and death.

Depending on the severity of the signs and symptoms, patients may respond to supportive care, i. A more severe clinical presentation may require treatment with methylene blue, exchange transfusion, or hyperbaric oxygen.

The blood concentration of lidocaine is determined by the rate of systemic absorption and elimination. Longer duration of application, application of more than the recommended number of patches, smaller patients, or impaired elimination may all contribute to increasing the blood concentration of lidocaine. Hepatic Disease Patients with severe hepatic disease are at greater risk of developing toxic blood concentrations of lidocaine, because of their inability to metabolize lidocaine normally.

Non-intact Skin Application to broken or inflamed skin, although not tested, may result in higher blood concentrations of lidocaine from increased absorption. If eye contact occurs, immediately wash out the eye with water or saline and protect the eye until sensation returns. Inform patients that use of local anesthetics may cause methemoglobinemia, a serious condition that must be treated promptly. Advise patients or caregivers to stop use and seek immediate medical attention if they or someone in their care experience the following signs or symptoms: pale, gray, or blue colored skin cyanosis ; headache; rapid heart rate; shortness of breath; lightheadedness; or fatigue.

Patients who are administered local anesthetics are at increased risk of developing methemoglobinemia when concurrently exposed to the following drugs, which could include other local anesthetics:. Examples of Drugs Associated with Methemoglobinemia:.

Carcinogenesis A minor metabolite, 2, 6-xylidine, has been found to be carcinogenic in rats. Teratogenic Effects Pregnancy Category B.

There are, however, no adequate and well-controlled studies in pregnant women. Lidocaine is not contraindicated in labor and delivery. Lidocaine is excreted in human milk, and the milk: plasma ratio of lidocaine is 0. 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.

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