What it's for (Indications)
- Lignocaine with benzyl alcohol topical preparations are indicated for the temporary, symptomatic relief of pain associated with minor oral irritation, specifically for the discomfort and pain experienced during the eruption of primary teeth (teething) in infants and young children.
- This medication acts locally to numb the affected area, providing a transient analgesic effect.
- It is intended for short-term, acute relief and not for chronic management of oral pain or inflammation.
- The formulation targets the immediate alleviation of localized pain, allowing for improved comfort during the teething process.
- It is important to note that this is a symptomatic treatment and does not address the underlying physiological process of teething.
Dosage Information
| Type | Guideline |
|---|---|
| Standard | For topical administration, a small amount of the gel should be applied directly to the affected gum area using a clean fingertip or cotton swab. It is crucial to adhere strictly to the dosing recommendations provided on the product label or by a healthcare professional. Typically, this involves applying a pea-sized amount (approximately 0.25 mL) no more frequently than every 3 hours, and not exceeding 4-6 doses within a 24-hour period. Ensure that the total daily dose does not exceed established safety limits to minimize the risk of systemic absorption. Application should be limited to the localized painful area, avoiding extensive application or ingestion, particularly in infants and young children. If symptoms persist or worsen after 7 days, or if irritation occurs, discontinue use and consult a healthcare provider. |
Safety & Warnings
Common Side Effects
- Adverse reactions to lignocaine with benzyl alcohol are generally local and mild, but systemic effects can occur, particularly with overuse, improper application, or in susceptible individuals.
- Common local reactions may include transient irritation, burning, stinging, or redness at the application site, as well as temporary numbness of the tongue or other oral tissues, which can interfere with feeding.
- Hypersensitivity reactions, such as rash, urticaria, or angioedema, are rare but possible.
- Systemic absorption of lignocaine, especially when excessive amounts are applied, can lead to more serious adverse events including central nervous system (CNS) effects (e.
- g.
- , drowsiness, dizziness, confusion, agitation, tremors, seizures, coma) and cardiovascular effects (e.
- g.
- , bradycardia, hypotension, arrhythmias, cardiac arrest).
- Benzyl alcohol, while primarily a preservative, can cause local irritation and, in large systemic doses, has been associated with metabolic acidosis and CNS depression, particularly in neonates and infants.
- Parents and caregivers should monitor for any signs of adverse reactions and seek immediate medical attention if systemic symptoms develop or if there are any signs of respiratory distress or unusual lethargy.
Serious Warnings
- Black Box Warning: BLACK BOX WARNING: SERIOUS RISKS WITH LIGNOCAINE (LIDOCAINE) ORAL TOPICAL PRODUCTS IN INFANTS AND CHILDREN. The U.S. Food and Drug Administration (FDA) has specifically warned against the use of topical viscous lidocaine for treating teething pain in infants and young children. Systemic absorption of lignocaine from oral mucosal application can lead to serious adverse events including seizures, severe brain injury, cardiac arrest, and death. Infants and children are particularly vulnerable to lidocaine toxicity due to their smaller body mass, immature metabolic pathways, and potential for increased absorption through oral mucosa. Caregivers must be educated on the critical importance of not exceeding recommended doses and avoiding frequent applications. Furthermore, benzyl alcohol, a component of this formulation, has been associated with serious adverse reactions, including 'Gasping Syndrome' (a fatal syndrome of metabolic acidosis, respiratory distress, and central nervous system dysfunction), primarily in neonates and low birth weight infants. While this product is intended for teething in older infants, systemic absorption of benzyl alcohol should be avoided, and excessive use can contribute to overall toxicity. This product should ONLY be used under the direct supervision and recommendation of a healthcare professional, with careful adherence to prescribed dosages and diligent monitoring for any signs of systemic toxicity. Over-the-counter use for teething pain in infants is strongly discouraged by regulatory bodies due to these life-threatening risks, and non-pharmacological interventions are generally preferred.
- Caregivers must exercise extreme caution when using lignocaine with benzyl alcohol for teething pain in infants and young children.
- This product is for external oral use only and should not be ingested.
- Avoid contact with eyes.
- Do not exceed the recommended dose or frequency of application, as systemic absorption of lignocaine can lead to serious, life-threatening adverse effects, including seizures, severe brain injury, and cardiac abnormalities.
- If symptoms persist or worsen after 7 days, or if irritation, swelling, or rash develops, discontinue use and consult a healthcare professional or dentist.
- Products containing lignocaine should not be used on individuals with a history of sensitivity to local anesthetics of the amide type.
- Keep out of reach of children to prevent accidental ingestion.
- The use of benzyl alcohol in neonates has been associated with serious adverse events and death, known as 'Gasping Syndrome'; while this product is for teething in older infants, excessive absorption should still be avoided.
- This medication should not be used for more than a few days without professional medical advice, and its use should be reserved for cases where non-pharmacological interventions are insufficient.
How it Works (Mechanism of Action)
Lignocaine (lidocaine) is an amide-type local anesthetic. Its primary mechanism of action involves reversibly blocking voltage-gated sodium channels in neuronal membranes. By doing so, it inhibits the influx of sodium ions necessary for the initiation and conduction of nerve impulses, thereby stabilizing the neuronal membrane and preventing the transmission of pain signals to the brain. This results in a temporary, localized loss of sensation or numbness in the area of application. Benzyl alcohol serves as a preservative in many topical formulations but also possesses mild local anesthetic properties through a similar, albeit weaker, membrane-stabilizing effect, by disrupting nerve membrane function. When applied topically to the gums, both agents contribute to reducing pain and discomfort by locally desensitizing the nerve endings in the oral mucosa, providing transient symptomatic relief from teething pain. Their combined action leads to a rapid onset of localized anesthesia.
Commercial Brands (Alternatives)
No other brands found for this formula.