Acetic acid, propylene glycol diacetate, and hydrocortisone

U.S. BRAND NAMES — Acetasol® HC; VoSol® HC
PHARMACOLOGIC CATEGORY Otic Agent, Anti-infective
DOSING: ADULTS — Otitis externa (superficial): Otic: Instill 3-5 drops in ear(s) every 4-6 hours
DOSING: PEDIATRIC — Children 3 years: Refer to adult dosing.
DOSING: ELDERLY — Refer to adult dosing.
DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Solution, otic drops: Acetic acid 2%, propylene glycol diacetate 3%, and hydrocortisone 1% (10 mL)
DOSAGE FORMS: CONCISE Solution, otic drops: Acetic acid 2%, propylene glycol diacetate 3%, and hydrocortisone 1% (10 mL) Acetasol® HC, VoSol® HC: Acetic acid 2%, propylene glycol diacetate 3%, and hydrocortisone 1% (10 mL)
GENERIC EQUIVALENT AVAILABLE — Yes
ADMINISTRATION — After removing cerumen and debris, solution may be applied by inserting a cotton wick into the ear canal and saturating with the solution. Wick may remain in place for 24 hours and then removed; however, drops should continue to be instilled into ear canal as long as indicated.
USE — Treatment of superficial infections of the external auditory canal caused by organisms susceptible to the action of the antimicrobial, complicated by swelling
ADVERSE REACTIONS SIGNIFICANT — Frequency not defined: Otic: Transient burning or stinging may be noticed occasionally when the solution is first instilled into the acutely inflamed ear
CONTRAINDICATIONS — Hypersensitivity to acetic acid, propylene glycol, hydrocortisone, or any component of the formulation; perforated tympanic membrane; herpes simplex; vaccinia, and varicella
DRUG INTERACTIONS — Hydrocortisone: Substrate of CYP3A4 (minor); Induces CYP3A4 (weak)
PRICING — (data from drugstore.com)Solution (Acetasol HC) 2-1% (10): $16.07
PATIENT INFORMATION — See individual agents for Acetic Acid and Hydrocortisone.
(For additional information see "Acetic acid, propylene glycol diacetate, and hydrocortisone: Patient drug information")