Pinnacaine Ear Drops
Generic name: benzocaine
Dosage form: otic drops
Drug class:Otic anesthetics
Medically reviewed by Drugs.com. Last updated on Mar 22, 2022.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
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Pinnacaine Ear Drops Description
ACTIVE INGREDIENT:
Benzocaine.....20%
in an aqueous base.
Benzocaine, a local anesthetic, is chemically, ethyl p-aminobenzoate, C9H11NO2, with a molecular weight of 165.19.
INACTIVE INGREDIENTS
Glycerin, Polyethylene Glycol, Benzethonium Chloride, Purified Water.
Pinnacaine Ear Drops - Clinical Pharmacology
Benzocaine acts by blocking conduction in nerve fibers as a result of decreased nerve cell membrane permeability to sodium ions or competition with calcium ions for membrane binding sites.
Indications and Usage for Pinnacaine Ear Drops
Pinnacaine Otic Drops may be used as a topical anesthetic in the external auditory canal to relieve ear pain. It may be used in the treatment of acute otitis media, acute swimmer’s ear and other forms of otitis externa.
Contraindications
Pinnacaine Otic Drops is contraindicated in patients sensitive to benzocaine. This medication should not be applied in the external auditory canal if there is a perforated eardrum or ear discharge.
Warnings
KEEP OUT OF REACH OF CHILDREN. NOT FOR OPHTHALMIC OR ORAL USE.
Use of anesthetic ear drops indiscriminately may mask symptoms of infection of the middle ear.
Precautions
General
Medication should be discontinued if sensitivity or irritation occurs.
Carcinogenesis, Mutagenesis, Impairment of Fertility
Long term studies of animals or humans to evaluate the carcinogenic and mutagenic potential or the effect on fertility have not been conducted.
Pregnancy
Pregnancy Category C:
There are no adequate and well-controlled studies in pregnant women. This product should only be given to pregnant women if clearly needed.
Nursing Mothers
It is not known whether this drug is excreted i...