Acetic acid/hydrocortisone (Into the ear)


Acetic Acid (a-SEE-tik AS-id), Hydrocortisone (hye-droe-KOR-ti-sone)

Treats ear infections.

Brand Name(s)

Acetasol HC, Acetasol Hc, Oticot Hc, Vosol HC

When This Medicine Should Not Be Used

How to Use This Medicine

Liquid, Drop

  • Your doctor will tell you how much medicine to use and how often.
  • Use in the ear only.
  • Your doctor may insert a wick soaked with the medicine into your ear.
  • Leave the wick in your ear for 24 hours (or as your doctor has ordered).
  • Keep the wick moist by adding 3 to 5 drops of medicine every 4 to 6 hours.
  • Your doctor may want you to continue to use the eardrops after you take the wick out of your ear.
  • To put in the eardrops: Wash your hands. Lie down or tilt your head to the side.
  • Straighten the ear canal by gently pulling the earlobe up and back for adults; for children, pull the earlobe down and back.
  • Drop the prescribed number of drops into the ear.
  • Do not touch the dropper to the ear or to anything else.
  • Keep the ear tilted up for a few minutes or insert a cotton plug into the ear.
  • Wash your hands afterwards to avoid spreading the infection.
  • Do not get this medicine in your eyes.

If a dose is missed:

  • Apply the dose as soon as possible.
  • Skip the missed dose if it is almost time for your next regular dose.
  • Do not apply two doses at the same time.

How to Store and Dispose of This Medicine

  • Store in a closed container at room temperature, protect from heat, moisture, and direct light. Do not freeze.
  • Keep all medicine away from children.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine

  • Check with your doctor before using this medicine if you are pregnant or breastfeeding.
  • Call your doctor if the infection does not get better after a few days.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

  • Ear pain, redness, or swelling that was not there before using the medicine.

If you notice these less serious side effects, talk with your doctor:

  • Burning, itching, dryness in the ear.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Version Info

  • Last reviewed on 8/4/2014

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