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Ear infections (topicals)
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Drug Name:


Generic Name and Formulations:
Colistin (as sulfate) 3mg, neomycin (as sulfate) 3.3mg, hydrocortisone acetate 10mg, thonzonium bromide 0.5mg; per mL; otic susp; contains thimerosal.

Par Pharmaceutical, Inc.

Therapeutic Use:

Indications for CORTISPORIN-TC OTIC:

Suscepible infections of external auditory canal, mastoidectomy, fenestration cavities.


Clean ear. 5 drops (using dropper) in ear(s) 3–4 times daily; max 10 days.


Clean ear. 4 drops (using dropper) in ear(s) 3–4 times daily; max 10 days.


Cutaneous viral infections in ear (eg, herpes simplex, vaccinia, varicella zoster virus).


Perforated eardrum. Chronic otitis media. Asthma (soln). Reevaluate if no improvement in 1 week. Pregnancy (Cat.C). Nursing mothers.

See Also:


Polymyxin B/Neomycin/Hydrocortisone Otic Susp

Pharmacological Class:

Antibiotics + steroid + surfactant.

Adverse Reactions:

Local reactions, contact dermatitis, oto- or nephrotoxicity in prolonged use, superinfection.


Susp formerly known under the brand names Cortisporin, Oticair, Otocort.

How Supplied:

TC—10mL (w. dropper); Soln—10mL (w. dropper); Susp—contact supplier

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