Lidocaine can be used in dental and medical procedures. In dental, as an amide-type injectable local anaesthetic and topical local anaesthetic or as a patch: Production of mild topical anaesthesia of accessible mucous membranes of the mouth prior to superficial dental procedures.
Medically, it is a local anaesthetic and acute treatment of ventricular arrhythmias from myocardial infarction, cardiac manipulation, digitalis intoxication. It is also used as a topical local anaesthetic for providing relief od pain associated with postherpetic neuralgia.
Lidocaine is a drug of choice for ventricular ectopy, ventricular tachycardia, ventricular fibrillation. It is also used for pulseless VT or VF preferably administer after defibrillation and epinephrine and to control of premature ventricular contractions, wide-complex PSVT.
Being a local anesthetic. It is used topically on the skin to reduce itchiness and skin conditions such as insect bites, eczema and burns. It is also used to cure hemorrhoids and problems of the genital/anal regions. This medication functions by reducing pain, redness and swelling. The viscous variant is used for dental treatment.
On using Lidocaine you may experience certain side effects such as a burning or stinging sensation, dizziness, drowsiness, changing body temperatures, blurred vision or a pounding/ringing in your ears. Severe reactions include depression, numbness and vomiting. Should your reactions continue and become worse over time contact your doctor right away.
Before using Lidocaine inform your doctor if: you are allergic to any medicine, food, substances or ingredients contained within Lidocaine, you have diabetes, liver/ stomach problems and infections.
Take the dosage recommended by your doctor for your condition. This topical medication comes as a gel, spray, cream, lotion and skin patch. Apply on the affected area of the skin after cleaning and drying it well. It is usually recommended to use about 2-3 times a day.
Lidocaine has a narrow therapeutic index and severe toxicity may occur slightly above the therapeutic range, especially with other antiarrhythmic drugs; symptoms of overdose include sedation, confusion, coma, seizures, respiratory arrest and cardiac toxicity (sinus arrest, A-V block, asystole, and hypotension).
The QRS and Q-T intervals are usually normal, although they may be prolonged after massive overdose; other effects include dizziness, paresthesias, tremor, ataxia, and GI disturbance.
Treatment is supportive, using conventional therapies (fluids, positioning, vasopressors, antiarrhythmics, anticonvulsants); sodium bicarbonate may reverse QRS prolongation, bradyarrhythmias and hypotension; enhanced elimination with dialysis, hemoperfusion or repeat charcoal is not effective.
I.V.: You will be monitored during infusion. Do not get up without assistance. Report dizziness, numbness, double vision, nausea, pain or burning at infusion site, nightmares, hearing strange noises, seeing unusual visions, or difficulty breathing.
Oral: Lidocaine can cause numbness of tongue, cheeks, and throat. Do not eat or drink for 1 hour after use. Take small sips of water at first to ensure that you can swallow without difficulty. Your tongue and mouth may be numb; use caution avoid biting yourself. Immediately report swelling of face, lips, or tongue.
Patch: Patch may be cut to appropriate size. Apply patch to most painful area. Up to 3 patches may be applied in a single application. Patch may remain in place for up to 12 hours in any 24-hour period. Remove immediately if burning sensation occurs. Wash hands after application.
It is important to recognize that lidocaine has a narrow therapeutic index. Severe toxicity may occur at doses slightly above the therapeutic range, particularly when lidocaine is administered together with other antiarrhythmic drugs.
While lidocaine toxicity may elicit seizures, lidocaine may also cause respiratory arrest and cardiac toxicity (AV block, asystole, and hypotension).
The primary use of this medicine are as follows:
Is It safe with alcohol?No interaction found
Are there any pregnancy warnings?Lidocaine is probably safe to use during pregnancy.
Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor.
Are there any breast-feeding warnings?Lidocaine is probably safe to use during breastfeeding. Please consult your doctor.
Is it safe to drive while on this medicine?There is no interaction between driving and consuming this drug. So dose alteration is not needed.
Does this affect kidney function?There is no data available. Please consult doctor before consuming the drug.
Does this affect liver function?There is no data available. Please consult doctor before consuming the drug.
What is the onset of action?The effect of this medicine is initiated within 45-90 seconds.
How long is the duration of effect?The duration of the effect of this medicine will remain for 10-20 minutes.
Are there any missed dose instructions?The missed dose should be taken as soon possible. It is advisable to skip the missed dose if it's already time for your next scheduled dose.
Are there any overdose instructions?Seek emergency medical treatment or contact the doctor in case of overdose.
Below is the list of medicines, which contains Lidocaine as ingredient
This medication acts as a local anaesthetic and antiarrhythmic that works by stabilising the neuronal membrane by blocking the voltage-gated sodium channels. This inhibits depolarization of the postsynaptic nerve that prevents the transmission of pain signals.
Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.
Interaction with Medicine
- CYP3A3/4 enzyme substrate.
- Drugs which inhibit CYP3A3/4 may increase lidocaine blood levels.
- Protease inhibitors like amprenavir and ritonavir may increase lidocaine blood levels.
- Propranolol increases lidocaine blood levels.
Interaction with Disease
Ques: What is Lidocaine used for?
Ques: Is Lidocaine toxic?
Ques: How long does it take for Lidocaine to work?
Ques: Who should not be given Lidocaine?
Ques: Is Lidocaine safe?
Lidocaine-Drug Information Portal [Internet].druginfo.nlm.nih.gov 2022 [Cited 28 May 2022].Available from:https://druginfo.nlm.nih.gov/drugportal/name/lidocaine
Lidocaine-DrugBank Online [Internet].go.drugbank.com 2022 [Cited 28 May 2022].Available from:https://go.drugbank.com/drugs/DB00281
LIDOCAINE Tablet,solution-DailyMed [Internet].dailymed.nlm.nih.gov 2022 [Cited 28 May 2022].Available from:https://dailymed.nlm.nih.gov/dailymed/search.cfm?labeltype=all&query=LIDOCAINE
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