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acetic acid solution/ drops
----------Acetic Acid 2% in Aqueous
Aluminum Acetate Otic Solution
Acetic Acid 2% in Aqueous Aluminum Acetate Otic Solution contains acetic acid 2% as the active ingredient, in a solution containing aluminum acetate (formed from Aluminum Sulfate, Calcium Carbonate, Glacial Acetic Acid), Boric Acid, Sodium Hydroxide and Purified Water. Sodium Hydroxide and/or Glacial Acetic Acid may be added to adjust the pH (3.5 to 5.0). Acetic Acid 2% in Aqueous Aluminum Acetate Otic Solution is instilled in the external auditory canal. Acetic acid is an astringent and antimicrobial agent.
Chemically, acetic acid is C2H4O2 and has the following structural formula:
Molecular weight: 60.05
Acetic acid is antibacterial and antifungal and is effective against microorganisms (bacteria and fungi) that infect the ears of patients with acute diffuse external otitis. In vitro tests, minimum lethal-time was less than 0.25 minutes when bacteria and fungi isolated from patients with otitis externa were exposed to 2% acetic acid. Quantitative absorption of acetic acid 2% from external auditory canal is not known.
INDICATIONS AND USAGE:
For the treatment of superficial infections of the external auditory canal caused by organisms susceptible to the action of the antimicrobial.
Hypersensitivity to acetic acid or any of the ingredients in this product. Perforated tympanic membranes is considered a contraindication to the use of any external ear canal medication.
Avoid use or use with caution in patients with perforated tympanic membrane (See CONTRAINDICATIONS).
Care should be taken to assure that the Acetic Acid 2% in Aqueous Aluminum Acetate Otic Solution gets into the ear canal and stays in contact with the affected area long enough for the drug to act.
Discontinue promptly if sensitization or irritation occurs.
No Toxic effect has been reported with overdosage of Acetic Acid 2% in Aqueous Aluminum Acetate Otic Solution.
DOSAGE AND ADMINISTRATION:
The patient should lie on the side with the affected ear uppermost. Instill 4 to 6 drops into the external auditory canal and maintain this position for 5 minutes. Repeat the procedure every 2 to 3 hours.
Acetic Acid 2% in Aqueous Aluminum Acetate Otic Solution is available in 60 mL plastic squeeze bottle with otic tip.
Prod. No. 06620.
Store between 15˚ - 30˚ C (59˚ - 86˚ F).
PROTECT FROM FREEZING
DO NOT USE IF IMPRINTED NECKBAND IS NOT INTACT.
KEEP OUT OF REACH OF CHILDREN.
Revised January 2008
Bausch & Lomb Incorporated
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Acetic Acid 2%
USE IN EARS ONLY
CAUTION: NOT FOR OPHTHALMIC USE
Bausch & Lomb
Revised: 03/2011 Bausch & Lomb Incorporated
Reproduced with permission of U.S. National Library of Medicine
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