Lidocaine / Lignocaine
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Molecule Summary
| Uses | Local Anesthesia |
| Therapy | Local Anaesthetic |
Assurance
available
Regulated
Molecule Description
Lidocaine is a local anaesthetic used to temporarily numb a specific area of the body. When applied or injected, it blocks nerve signals in that region, causing a brief loss of sensation so you don’t feel pain. This effect is helpful during minor surgical procedures, dental treatments, or medical tests that may otherwise be uncomfortable.
It is available in different forms such as injections, creams, gels, and sprays. Injections are used by doctors to numb a deeper area before a procedure, while creams, gels, and sprays are commonly used on the skin or mucous membranes for quick relief or minor procedures. The numbing effect usually starts within a few minutes and wears off gradually. If you experience any unusual reactions, such as a rash, dizziness, or breathing difficulty after using Lidocaine, seek medical help immediately.
Uses
- Burns
- Insect bites
- Hemorrhoids
- Severe sore throats
- Mouth and throat ulcers
Contraindications
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
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
Pregnancy
Breast Feeding
Driving
Alcohol
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
- You have suffered from methemoglobinemia
- You have G6PD deficiency
Mode of Action
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
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
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.
Frequently Asked Questions (FAQs)
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