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Vosol Hc Otic

Swimmer's ear facts

  • Swimmer's ear, or external otitis, is typically a bacterial infection of the outer ear canal skin and can occur in acute and chronic forms.
  • Excessive water exposure and frequent instrumentation (usually cotton swabs) of the ear canal are important causative factors.
  • Itchy ears, a feeling of fullness, swelling, drainage, and pain are early symptoms.
  • Antibiotic ear drops and avoidance of water are frequently necessary for treatment.
  • Proper ear care can avoid most infections.

What is "swimmer's ear" or acute external otitis?

External otitis or "swimmer's ear" is an infection of the skin covering the outer ear and ear canal. Acute external otitis is commonly a bacterial infection caused by streptococcus, staphylococcus, or pseudomonas types of bacteria. The swimmer's ear infection is usually caused by excessive water exposure from sw...

Vosol Hc Otic

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Hydrocortisone 1%
and Acetic Acid 2%
Otic Solution
(Hydrocortisone and Acetic Acid Otic Solution, USP)

Rx only

DRUG DESCRIPTION

Hydrocortisone and Acetic Acid Otic Solution, USP contains Hydrocortisone (1%) and acetic acid, glacial (2%) in a propylene glycol vehicle containing propylene glycol diacetate (3%) and benzethonium chloride (0.02%), sodium acetate (0.015%) and citric acid (0.2%).

Acetic acid has a molecular formula of CH3COOH with molecular weight of 60.05. The structural formula is:

Hydrocortisone is a Synthetic Steroid used as an anti-inflammatory and antipruritic agent. Its chemical name is Pregn-4-ene-3, 20-dione, 11, 17, 21-trihydroxy-, (11b)-. Hydrocortisone has a molecular formula of C21H30O5 with molecular weight 362.46. The structural formula is:

Hydrocortisone and acetic acid is available as a nonaqueous otic solution buffered at pH (2.0 to 4.0) for use in the external ear canal.

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.

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