Pinnacaine Ear Drops
Generic name: benzocaine
Dosage form: otic drops
Drug class: Otic anesthetics
Medically reviewed by Drugs.com. Last updated on March 22, 2021.
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
in an aqueous base.
Benzocaine, a local anesthetic, is chemically, ethyl p-aminobenzoate, C9H11NO2, with a molecular weight of 165.19.
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.
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.
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.
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 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.
It is not known whether this drug is excreted in human milk. Caution should be used when administered to nursing women.
Do not use in infants under 1 year of age.
Benzocaine can cause a hypersensitivity reaction consisting of rash, urticaria and edema. Individuals frequently exposed to ester-type local anesthetics can develop contact dermatitis characterized by erythema and pruritus. Rarely, benzocaine may induce methemoglobinemia causing respiratory distress and cyanosis which can be treated by intravenous methylene blue.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at
Effects of benzocaine overdosage may include yawning, restlessness, excitement, nausea and vomiting. Treatment is symptomatic. Please call your local Poison Control Center or your doctor if you suspect an overdosage of this product.
Pinnacaine Ear Drops Dosage and Administration
Administer 4-5 drops of Pinnacaine Otic Drops in the external ear canal and then insert a cotton pledget into the meatus. Can be repeated every 1 to 2 hours, if necessary.
How is Pinnacaine Ear Drops Supplied
Pinnacaine Otic Drops, NDC# 68047-057-15, is supplied in a 15 mL amber glass bottle with dropper and package insert.
Storage and Handling
Store at 15°-30°C (59°-86°F) [See USP Controlled Room Temperature]. Store in a tight, light-resistant Container. [See USP.} Keep bottle tightly closed.
Larken Laboratories, Inc.
Canton, MS 39046
PACKAGE LABEL.PRINCIPAL DISPLAY PANEL
Figure 1: 15 mL container label
Figure 2: 15 mL carton
benzocaine solution/ drops
|Labeler - Larken Laboratories, Inc. (791043719)|
|Sonar Products, Inc.||104283945||MANUFACTURE|