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Hydrocortisone, neomycin, and polymyxin B otic

Generic name: hydrocortisone, neomycin, and polymyxin B otic

Brand names: Cortisporin Otic, Drotic, Masporin Otic, Cortomycin, Otocort Sterile Solution, Cortatrigen Modified, Otimar, Pediotic, AK-Spore HC Otic Suspension, Otocort Sterile Suspension, UAD Otic, Cortatrigen, Antibiotic Ear, Cort-Biotic, Oti-Sone, AK-Spore HC

Last updated November 2, 2026 0 views
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What is hydrocortisone, neomycin, and polymyxin B otic?

Hydrocortisone is a steroid. It lowers the effects of chemicals in the body that lead to inflammation.

Neomycin and polymyxin B are antibiotics that kill bacteria.

Hydrocortisone, neomycin, and polymyxin B otic (for the ears) is a combination medicine used to treat outer ear infections caused by bacteria.

This medicine is not for treating an inner ear infection.

Hydrocortisone, neomycin, and polymyxin B otic may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I use hydrocortisone, neomycin, and polymyxin B otic?

Follow all instructions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than what is recommended.

Before using this medication, clean and dry your ear canal with sterile cotton.

Shake the ear drops well just before each use.

To use the ear drops:

  • Lie down or tilt your head with your ear facing up. Open the ear canal by gently pulling your ear back, or pulling down on the earlobe when giving this medicine to a child.
  • Hold the dropper upside down over your ear and drop the correct number of drops into the ear.
  • Stay lying down or with your head tilted for at least 5 minutes. You may use a small piece of cotton to plug the ear and keep the medicine from draining out.
  • Do not touch the dropper tip or place it directly in your ear. It may become contaminated. Wipe the tip with a clean tissue but do not wash it with water or soap.

As an alternative to dropping the medicine into your ear, you may insert a small piece of cotton into the ear canal and then drop the medicine directly onto the cotton to soak it. Leave the cotton in your ear for at least 24 hours and keep it moist by adding a few drops of the medicine to the cotton every 4 hours. Replace the cotton at least every 24 hours. Follow your doctor's instructions about using cotton with this medication.

Call your doctor if your symptoms do not improve or if they get worse while using hydrocortisone, neomycin, and polymyxin B otic.

Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may increase your risk of further infection that is resistant to antibiotics.

Do not use hydrocortisone, neomycin, and polymyxin B otic for longer than 10 days in a row unless your doctor tells you to. Long-term use of neomycin may cause damage to your hearing.

Store at room temperature away from moisture and heat.

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Warnings

You should not use hydrocortisone, neomycin, and polymyxin B otic if you have a hole in your ear drum (ruptured ear drum), or an ear infection caused by chickenpox, or herpes infection.

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Before taking this medicine

You should not use this medicine if you are allergic to hydrocortisone, neomycin, or polymyxin B, or if you have:

  • a ruptured ear drum; or
  • an ear infection caused by chickenpox, or herpes infection (simplex or zoster).

To make sure this medicine is safe for you, tell your doctor if you have:

  • chickenpox or small pox;
  • any ear infection that causes blistering;
  • asthma or sulfite allergy; or
  • if you are allergic to an antibiotic similar to neomycin, such as kanamycin, paromomycin, streptomycin, or gentamicin.

FDA pregnancy category C. It is not known whether hydrocortisone, neomycin, and polymyxin B otic will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.

Hydrocortisone can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

Do not use this medicine in a child younger than 2 years old.

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hydrocortisone, neomycin, and polymyxin B otic side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

This medicine may cause serious side effects. Stop using this medicine and call your doctor right away if you have:

  • severe burning or other irritation after using the ear drops;
  • hearing loss; or
  • skin rash, redness, swelling, itching, dryness, scaling, or other irritation in or around the ear.

Common side effects of hydrocortisone, neomycin, and polymyxin B otic may include:

  • mild itching after using the ear drops.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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Hydrocortisone, neomycin, and polymyxin B otic dosing information

Usual Adult Dose for Otitis Externa:

4 drops instilled into the affected ear 3 or 4 times per dayComments:-Therapy with this product should be limited to 10 consecutive days.-The external auditory canal should be thoroughly cleansed and dried with a sterile cotton applicator.Use: Treatment of superficial bacterial infections of the external auditory canal caused by organisms susceptible to the action of the antibiotics.

Usual Pediatric Dose for Otitis Externa:

2 years or older:3 drops instilled into the affected ear 3 or 4 times per dayComments:-Therapy with this product should be limited to 10 consecutive days.-The external auditory canal should be thoroughly cleansed and dried with a sterile cotton applicator.Use: Treatment of superficial bacterial infections of the external auditory canal caused by organisms susceptible to the action of the antibiotics.

What happens if I miss a dose?

Use the missed dose as soon as you remember. If it's nearly time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to compensate for the missed dose.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

An overdose of hydrocortisone, neomycin, and polymyxin B otic is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.

This medicine is for use only in the ears. Avoid getting the medicine in your eyes, mouth, and nose, or on your skin. Rinse with water if this medicine gets in or on these areas.

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What other drugs will affect hydrocortisone, neomycin, and polymyxin B otic?

It is unlikely that other medications you take by mouth or injection will affect hydrocortisone, neomycin, and polymyxin B otic used in the ears. However, many drugs can interact with each other. Inform all your healthcare providers about all the medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.

This section was rewritten for readability and reviewed for meaning.

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Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.