Lidocaine

By Medically reviewed by hellodoktor

Generic Name: Lidocaine Brand Name(s): Lidocaine.

Uses

What is lidocaine used for?

Lidocaine is commonly used in the eye to cause numbness or loss of feeling before certain procedures. This medicine is a topical anesthetic (numbing medicine).

How should I take lidocaine?

For Gel/Jelly, Drop form:

  • A nurse or other trained health professional will give you this medicine before the certain procedure. This medicine is given as a drop into your eye.

How do I store lidocaine?

Lidocaine is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store lidocaine in the bathroom or the freezer. There may be different brands of lidocaine that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush lidocaine down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using lidocaine?

Before using lidocaine, tell your doctor if you have:

  • Allergic reaction: to lidocaine, excipients using for dosage form containing lidocaine. The information is detailed in the leaflet.
  • Allergic reaction to any other medicines, foods, dyes, preservatives, or animals.
  • Pediatric.
  • Geriatric.
  • Used any other health conditions, drugs that have a risk of interaction with lidocaine.

Is it safe during pregnancy or breastfeeding?

There isn’t enough information about the safety of using lidocaine during pregnancy and breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking lidocaine.

Side effects

What side effects can occur from lidocaine?

As taking others medicines, taking lidocaine can cause some side effects. Most of them are rarely occurring and do not need any supplementary treatment. However, it is always important for you to consult your doctor if you have any problem after taking this medicine. Some of the side effects are listed below:

  • Blurred vision or other changes in vision;
  • Burning feeling at site of application;
  • Redness of the white part of eyes or inside of eyelids;
  • Headache.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side effect, please consult your doctor or pharmacist.

Interactions

What drugs may interact with lidocaine?

Lidocaine may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval, such as amiodarone.

Does food or alcohol interact with lidocaine?

Lidocaine may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with lidocaine?

Lidocaine may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have, such as:

  • Heart block;
  • Shock, severe;
  • Infection at or near the place of application;
  • Large sores, broken skin, or severe injury at the area of application;
  • Liver disease, severe.

Dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using lidocaine.

What is the dose of lidocaine for an adult?

Consult your doctor for information about the dose of lidocaine hydrochloride.

Recommended doses in some cases are listed below:

  • For ointment: used to treat pain and itching caused by minor skin conditions: 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.
  • For topical skin patch used to treat pain caused by shingles: apply 1 to 3 patches to the painful area for up to 12 hours each day.
  • For topical solution used to irritated or sore mouth or throat: dose is based on body weight and must be determined by your doctor. The dose is usually 15 milliliters (ml) tablespoonful every 3 hours. Your doctor may adjust your dose as needed. Do not use more than 8 doses in a 24-hour period.

What is the dose of lidocaine for a child?

Consult your doctor for information about the dose of lidocaine hydrochloride.

Recommended doses in some cases are listed below:

  • For topical ointment: dose is based on body weight and must be determined by your doctor.
  • For topical skin, patch used to treat pain caused by shingles: dose is based on body weight and must be determined by your doctor.
  • For topical solution used to irritated or sore mouth or throat: dose is based on body weight and must be determined by your doctor. The dose is usually 15 milliliters (ml) tablespoonful every 3 hours. Your doctor may adjust your dose as needed. Do not use more than 8 doses in a 24-hour period.

Children 3 years of age and older: dose is based on body weight and must be determined by your doctor.

Children younger than 3 years of age: dose is based on body weight and must be determined by your doctor. The dose should be no more than 1.2 ml applied to the immediate area with a cotton-tipped swab. Wait at least 3 hours between doses, and do not use more than 4 doses in a 12-hour period.

How is lidocaine available?

Lidocaine is available in the following dosage form and strength: Gel 3.5 %.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services (115) or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of lidocaine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: October 6, 2016 | Last Modified: September 13, 2019

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