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SENSORY ORGANS › OTOLOGICALS › OTHER OTOLOGICALS › Analgesics and anesthetics
lidocaine
S02DA01
Adult Dosing
- Instill 4 to 5 drops into the external auditory canal
- May repeat every 2 to 3 hours as needed for pain
Pediatric Dosing
- Instill 2 to 3 drops into the external auditory canal
- May repeat every 2 to 3 hours as needed for pain (safety and efficacy established in pediatric patients)
Indications
- Relief of severe pain associated with acute otitis media
- Temporary relief of ear pain prior to otic procedures
Mechanism of Action
- Amide-type local anesthetic
- Stabilizes neuronal membranes by inhibiting the ionic fluxes required for the initiation and conduction of impulses, thereby effecting local local anesthesia
Contraindications
- Hypersensitivity to local anesthetics of the amide type
- Perforated tympanic membrane (unless specifically directed by a physician)
Adverse Reactions
- Local irritation
- Burning or stinging upon instillation
- Allergic contact dermatitis
Drug Interactions
- Class III antiarrhythmic drugs (e.g., amiodarone): additive cardiac effects if absorbed systemically
- Other local anesthetics: potential for additive toxicity
Curated Content: Needs Vetting Before Put to Clinical Use