Lidocaine / Lignocaine

Molecule Description

Lidocaine is a local anesthetic agent. It causes temporary loss of sensation on

applied areas. It is available for injection to achieve local anesthesia before surgical procedures, as creams, gels and sprays for local application.

Uses

Contraindications

Side effects

Precautions and Warnings

Uses of Lidocaine / Lignocaine

To stop pain due to-
Burns
Insect bites
Hemorrhoids
Severe sore throats
Mouth and throat ulcers

Contraindications of Lidocaine / Lignocaine

When should one not use Lidocaine / Lignocaine

Allergy to this medicine
Intraventricular block (a blockage in the lower chambers of the heart)
Cardiogenic shock (a severe condition in which the patient’s heart is abruptly unable to pump enough blood to meet their body’s requirement)
Congestive Heart Failure - CHF

Side effects of Lidocaine / Lignocaine

Common side effects of this drug are:

Difficulty in breathing, swelling of the face, neck, tongue or throat
Swelling or rashes
Itching

Precautions and Warnings of Lidocaine / Lignocaine

Pregnancy

Can I take Lidocaine / Lignocaine during pregnancy?

It is considered safe for use during pregnancy but take medicine only if prescribed by the doctor.

Breast Feeding

Can I take Lidocaine / Lignocaine while breastfeeding?

Lidocaine can reach breast milk for a female patient but it is not seen to harm a baby. Yet, a doctor’s consultation is important before using this medicine.

Driving

Can I drive if I have consumed Lidocaine / Lignocaine?

Lidocaine may weaken your thinking or responses. It is advised not to drive unless you feel alright after taking this medicine.

Alcohol

Can I consume alcohol with Lidocaine / Lignocaine?

It is not recommended to consume alcohol when taking this medicine.

Other General Warnings

Talk to your doctor if

This medicine may cause numbness of your tongue
You must take care when eating or drinking hot foods or drinks
Tell your doctor if-
You have suffered from methemoglobinemia
You have G6PD deficiency

Mode of Action of Lidocaine / Lignocaine

How Does It Work?

This medicine creates temporary numbness in the mucous membranes and skin by reversibly blocking the nerves when applied on an area of the body.

Interactions of Lidocaine / Lignocaine

Interactions with other medicines

Other anaesthetics or medicines similar to Lidocaine
Erythromycin, a type of antibiotic, used to treat bacterial infections
Itraconazole an antifungal kind of medication used to treat fungal infections
Antiarrhythmic medicines such as Amiodarone which are used to control abnormal heartbeats
Cimetidine used to treat stomach ulcers or heartburn
Beta-blockers used to treat heart conditions, high blood pressure or migraine
Calcium Chloride used for the treatment of hypocalcaemia or as a food additive
Codeine Phosphate used to relieve coughs

Interactions with food items

There are no indications found that Lidocaine interacts with any food.

Dosage of Lidocaine / Lignocaine

Overdose

If swallowed or inhaled, the medicine can cause problems. Consult your doctor immediately.

Missed a Dose

After missing an application, apply for the next treatment according to the regular schedule — no need to double your medicine or increase the amount.

Content Details

WRITTEN BY

Dr. Arpit Verma

MBBS, MD (Pharmacology)

REVIEWED BY

Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)

Q: Can I use it on the skin of my child?

A: A qualified doctor should analyze the child’s condition and prescribe the right quantity.

Q: What should I do if I accidentally spray this medicine in my eyes?

A: If you happen to spray this medicine into your eyes, wash your eyes with water and seek medical help.

References

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Last Updated on: 24 Dec 2020 | 01:48 PM (IST)

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