Vosol
Generic name:acetic acid
Dosage form: otic solution
Drug class:Otic anti-infectives
Medically reviewed by Drugs.com. Last updated on Sep 21, 2021.
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The Vosol brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
Vosol Description
VōSoL (Acetic acid otic solution, USP) is a solution containing acetic acid (2%) in a propylene glycol vehicle containing propylene glycol diacetate (3%), benzethonium chloride (0.02%), and sodium acetate (0.015%). The empirical formula for acetic acid is CH3COOH, with a molecular weight of 60.05. The structural formula is:
VōSoL is available as a nonaqueous otic solution buffered at pH 3 for use in the external ear canal.
Vosol - Clinical Pharmacology
Acetic acid is antibacterial and antifungal; propylene glycol is hydrophilic and provides a low surface tension; benzethonium chloride is a surface active agent that promotes contact of the solution with tissues.
Indications and Usage for Vosol
For the treatment of superficial infections of the external auditory canal caused by organisms susceptible to the action of the antimicrobial.
Contraindications
Hypersensitivity to VōSoL or any of the ingredients. Perforated tympanic membrane is considered a contraindication to the use of any medication in the external ear canal.
Warnings
Discontinue promptly if sensitization or irritation occurs.
Precautions
Transient stinging or burning may be noted occasionally when the solution is first instilled into the acutely inflamed ear.
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