Cipro HC Otic (Ciprofloxacin Hydrochloride Otic Suspension): Uses, Dosage, Side Effects, Interactions, Warning

PROFESSIONAL CONSUMER SIDE EFFECTS

Drug Description

What is Cipro HC Otic and how is it used?

Cipro HC Otic is a prescription medicine used to treat the symptoms of Acute Otitis Externa. Cipro HC Otic may be used alone or with other medications.

Cipro HC Otic belongs to a class of drugs called Antibiotics/Corticosteroids, Otic.

It is not known if Cipro HC Otic is safe and effective in children younger than 1 year of age.

What are the possible side effects of Cipro HC Otic?

Cipro HC Otic may cause serious side effects including:

hives,
difficulty breathing,
swelling of your face, lips, tongue, or throat,
skin rash (no matter how mild), and
new ear drainage with severe itching

Get medical help right away, if you have any of the symptoms listed above.

The most common side effects of Cipro HC Otic include:

itching or pain after using the ear drops,
fussiness,
irritability,
headache,
stuffy nose, and
sore throat

Tell the doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of Cipro HC Otic. For more information, ask your doctor or pharmacist.

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

DESCRIPTION

CIPRO® HC OTIC (ciprofloxacin hydrochloride and hydrocortisone otic suspension) contains the synthetic broad spectrum antibacterial agent, ciprofloxacin hydrochloride, combined with the anti-inflammatory corticosteroid, hydrocortisone, in a preserved, nonsterile suspension for otic use. Each mL of CIPRO® HC OTIC contains ciprofloxacin hydrochloride (equivalent to 2 mg ciprofloxacin), 10 mg hydrocortisone, and 9 mg benzyl alcohol as a preservative. The inactive ingredients are polyvinyl alcohol, sodium chloride, sodium acetate, glacial acetic acid, phospholipon 90H (modified lecithin), polysorbate, and purified water. Sodium hydroxide or hydrochloric acid may be added for adjustment of pH.

Ciprofloxacin, a fluoroquinolone, is available as the monohydrochloride monohydrate salt of 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid. Its empirical formula is C₁₇H₁₈FN₃O₃•HCI•H₂O and its chemical structure is as follows:

Ciprofloxacin - Structural Formula Illustration

Hydrocortisone, pregn-4-ene-3, 20-dione, 11, 17, 21-trihydroxy-(11Î²)-, is an antiinflammatory corticosteroid. Its empirical formula is C₂₁H₃₀O₅ and its chemical structure is:

Hydrocortisone - Structural Formula Illustration

Indications & Dosage

INDICATIONS

CIPRO® HC OTIC is indicated for the treatment of acute otitis externa in adult and pediatric patients, one year and older, due to susceptible strains of Pseudomonas aeruginosa, Staphylococcus aureus, and Proteus mirabilis.

DOSAGE AND ADMINISTRATION

SHAKE WELL IMMEDIATELY BEFORE USING.

For children (age 1 year and older) and adults, 3 drops of the suspension should be instilled into the affected ear twice daily for seven days. The suspension should be warmed by holding the bottle in the hand for 1-2 minutes to avoid the dizziness which may result from the instillation of a cold solution into the ear canal. The patient should lie with the affected ear upward and then the drops should be instilled. This position should be maintained for 30-60 seconds to facilitate penetration of the drops into the ear. Repeat, if necessary, for the opposite ear. Discard unused portion after therapy is completed.

HOW SUPPLIED

CIPRO® HC OTIC is supplied as a white to off-white opaque suspension in a 10 mL bottle with a dropper dispenser.

NDC 0065-8531-10

Store below 77° F (25° C). Avoid freezing. Protect from light.

Distributed by: Alcon Laboratories, Inc. 6201 South Freeway, Fort Worth, TX 76134

Side Effects & Drug Interactions

SIDE EFFECTS

In Phase 3 clinical trials, a total of 564 patients were treated with CIPRO® HC OTIC. Adverse events with at least remote relationship to treatment included headache (1.2%) and pruritus (0.4%). The following treatment-related adverse events were each reported in a single patient: migraine, hypesthesia, paresthesia, fungal dermatitis, cough, rash, urticaria, and alopecia.

The following reactions have been identified during post-approval use of CIPRO HC OTIC in clinical practice. Because they are reported voluntarily from a population of unknown size, estimates of frequency cannot be made. The reactions, which have been chosen for inclusion due to either their seriousness, frequency of reporting, possible causal connection to CIPRO HC OTIC, or a combination of these factors include: dizziness, ear canal erythema, ear congestion, hypoacusis and medication residue.

DRUG INTERACTIONS

No information provided.

Warnings & Precautions

WARNINGS

NOT FOR OPHTHALMIC USE. NOT FOR INJECTION.

CIPRO® HC OTIC should be discontinued at the first appearance of a skin rash or any other sign of hypersensitivity. Serious and occasionally fatal hypersensitivity (anaphylactic) reactions, some following the first dose, have been reported in patients receiving systemic quinolones. Serious acute hypersensitivity reactions may require immediate emergency treatment. The dropper cap contains natural rubber (latex) which may cause severe allergic reactions.

PRECAUTIONS

General

As with other antibiotic preparations, use of this product may result in overgrowth of nonsusceptible organisms, including fungi. If the infection is not improved after one week of therapy, cultures should be obtained to guide further treatment.

Carcinogenesis, Mutagenesis, Impairment of Fertility

Eight in vitro mutagenicity tests have been conducted with ciprofloxacin, and the test results are listed below:

Salmonella/Microsome Test (Negative)
E. coli DNA Repair Assay (Negative)
Mouse Lymphoma Cell Forward Mutation Assay (Positive)
Chinese Hamster V79 Cell HGPRT Test (Negative)
Syrian Hamster Embryo Cell Transformation Assay (Negative)
Saccharomyces cerevisiae Point Mutation Assay (Negative)
Saccharomyces cerevisiae Mitotic Crossover and Gene Conversion Assay (Negative)
Rat Hepatocyte DNA Repair Assay (Positive)

Thus, 2 of the 8 tests were positive, but results of the following 3 in vivo test systems gave negative results:

Rat Hepatocyte DNA
Repair Assay Micronucleus Test (Mice)
Dominant Lethal Test (Mice)

Long-term carcinogenicity studies in mice and rats have been completed for ciprofloxacin. After daily oral doses of 750 mg/kg (mice) and 250 mg/kg (rats) were administered for up to 2 years, there was no evidence that ciprofloxacin had any carcinogenic or tumorigenic effects in these species. No long term studies of CIPRO® HC OTIC suspension have been performed to evaluate carcinogenic potential.

Fertility studies performed in rats at oral doses of ciprofloxacin up to 100 mg/kg/day revealed no evidence of impairment. This would be over 1000 times the maximum recommended clinical dose of ototopical ciprofloxacin based upon body surface area, assuming total absorption of ciprofloxacin from the ear of a patient treated with CIPRO® HC OTIC twice per day.

Long term studies have not been performed to evaluate the carcinogenic potential or the effect on fertility of topical hydrocortisone. Mutagenicity studies with hydrocortisone were negative.

Pregnancy

Teratogenic Effects

Reproduction studies have been performed in rats and mice using oral doses of up to 100 mg/kg and IV doses up to 30 mg/kg and have revealed no evidence of harm to the fetus as a result of ciprofloxacin. In rabbits, ciprofloxacin (30 and 100 mg/kg orally) produced gastrointestinal disturbances resulting in maternal weight loss and an increased incidence of abortion, but no teratogenicity was observed at either dose. After intravenous administration of doses up to 20 mg/kg, no maternal toxicity was produced in the rabbit, and no embryotoxicity or teratogenicity was observed.

Corticosteroids are generally teratogenic in laboratory animals when administered systemically at relatively low dosage levels. The more potent corticosteroids have been shown to be teratogenic after dermal application in laboratory animals.

Animal reproduction studies have not been conducted with CIPRO® HC OTIC. No adequate and well controlled studies have been performed in pregnant women. Caution should be exercised when CIPRO® HC OTIC is used by a pregnant woman.

Nursing Mothers

Ciprofloxacin is excreted in human milk with systemic use. It is not known whether ciprofloxacin is excreted in human milk following topical otic administration. Because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

Pediatric use

The safety and efficacy of CIPRO® HC OTIC have been established in pediatric patients 2 years and older (131 patients) in adequate and well-controlled clinical trials. Efficacy has been extrapolated for patients, age 1 year and above based on studies in adults and older pediatric patients.

Overdosage & Contraindications

OVERDOSE

No information provided.

CONTRAINDICATIONS

CIPRO® HC OTIC is contraindicated in persons with a history of hypersensitivity to hydrocortisone, ciprofloxacin or any member of the quinolone class of antimicrobial agents. This nonsterile product should not be used if the tympanic membrane is known or suspected to be perforated. Use of this product is contraindicated in viral infections of the external canal including varicella and herpes simplex infections.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

The plasma concentrations of ciprofloxacin were not measured following three drops of otic suspension administration because the systemic exposure to ciprofloxacin is expected to be below the limit of quantitation of the assay (0.05 Î¼g/mL).

Similarly, the predicted Cmax of hydrocortisone is within the range of endogenous hydrocortisone concentration (0-150 ng/mL), and therefore can not be differentiated from the endogenous cortisol.

Preclinical studies have shown that CIPRO® HC OTIC was not toxic to the guinea pig cochlea when administered intratympanically twice daily for 30 days and was only weakly irritating to rabbit skin upon repeated exposure.

Hydrocortisone has been added to aid in the resolution of the inflammatory response accompanying bacterial infection.

Microbiology

Ciprofloxacin has in vitro activity against a wide range of gram-positive and gramnegative microorganisms. The bactericidal action of ciprofloxacin results from interference with the enzyme, DNA gyrase, which is needed for the synthesis of bacterial DNA. Cross-resistance has been observed between ciprofloxacin and other fluoroquinolones. There is generally no cross-resistance between ciprofloxacin and other classes of antibacterial agents such as beta-lactams or aminoglycosides.

Ciprofloxacin has been shown to be active against most strains of the following microorganisms, both in vitro and in clinical infections of acute otitis externa as described in the INDICATIONS AND USAGE section:

Aerobic Gram-positive Microorganism

Staphylococcus aureus

Aerobic Gram-negative Microorganisms

Proteus mirabilis
Pseudomonas aeruginosa

Medication Guide

PATIENT INFORMATION

If rash or allergic reaction occurs, discontinue use immediately and contact your physician. Do not use in the eyes.

Avoid contaminating the dropper with material from the ear, fingers, or other sources.

Protect from light.

Shake well immediately before using.

Discard unused portion after therapy is completed.

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