Dosage form: ointment
Drug class:Topical anesthetics
Medically reviewed by Drugs.com. Last updated on May 1, 2021.
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Lidocaine Ointment Description
Lidocaine Ointment 5% contains a local anesthetic agent and is administered topically. See INDICATIONS AND USAGE for specific uses.
Lidocaine Ointment 5% contains lidocaine, which is chemically designated as acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl)-, and has the following structural formula:
Composition of Lidocaine Ointment 5%: acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl)-, (lidocaine) 5% in a water miscible ointment vehicle containing polyethylene glycols.
Lidocaine Ointment - Clinical Pharmacology
Mechanism of action:
Lidocaine stabilizes the neuronal membrane by inhibiting the ionic fluxes required for the initiation and conduction of impulses, thereby effecting local anesthetic action.