Tropic-Cyclopent-Pe-Ktrlc-Prop (cyclopent/tropicamide/proparacaine/phenyl/ketorolac in water)

Ophthalmic Cycloplegics/Mydriatics Ophthalmic (Eye) Drops (Ea)

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Last reviewed · Source: First Databank (FDB) drug data

Overview

Phenylephrine hydrochloride, a synthetic sympathomimetic amine, is a mydriatic.

Tropicamide, a synthetic tertiary amine antimuscarinic, is a mydriatic and cycloplegic.

Proparacaine hydrochloride is a rapidly-acting local anesthetic.

Cyclopentolate hydrochloride, a tertiary amine antimuscarinic, is a mydriatic and cycloplegic.

Ketorolac, a pyrrolizine carboxylic acid derivative, is a prototypical nonsteroidal anti-inflammatory agent (NSAIA).

Tropicamide is an effective mydriatic drug for use prior to examination of the fundus. When complete cycloplegia is necessary, as in measurement of refractive errors, results with tropicamide have been variable. On the basis of some reports, the drug produces adequate cycloplegia only when two instillations are made and when refraction is performed 20-35 minutes following the second instillation.

Other clinical studies confirm rapid recovery but indicate that two instillations of the drug are less satisfactory for cycloplegia than is homatropine or cyclopentolate. Because of its short duration of effect, tropicamide may be useful when a short period of cycloplegia is preferred.

Generic name: cyclopent/tropicamide/proparacaine/phenyl/ketorolac in water
Drug class: Ophthalmic Cycloplegics/Mydriatics
Therapeutic class: Ophthalmic Agents

Reference product & biosimilars

No reference, biosimilar or interchangeable associated with this drug.

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Indications

No indications are available for this drug.

Dosing

To produce mydriasis for funduscopic examination of the eye, 1 or 2 drops of a 0.5% solution of tropicamide may be instilled onto the eye(s) 15-20 minutes before examination. In patients with heavily pigmented irides, higher solution concentrations may be required. To produce cycloplegia for refraction, a 1% solution should be used; 1 or 2 drops of this solution may be instilled onto the eye(s) and repeated in 5 minutes. The examination must be performed within 30 minutes after the second instillation. If the patient is not examined within 20-30 minutes, an additional drop of the 1% solution should be instilled.

When a combination preparation containing tropicamide and hydroxyamphetamine hydrobromide is used to produce mydriasis, 1 or 2 drops of the solution may be instilled onto the eye(s). Patients with lighter irides may experience slightly greater mydriasis than patients with darker irides.

It isessential that the manufacturer's labeling be consulted for more detailed information on dosage and administration of this drug. Dosage summary:

Usual dosage in adults and pediatric patients: for removal of foreign bodies and sutures and for tonometry, apply 1 to 2 drops (in single instillations) in each eye before operating.

Short corneal and conjunctival procedures in adults and pediatric patients: apply 1 drop in each eye every 5 to 10 minutes for 5 to 7 doses.

To produce mydriasis and cycloplegia for refraction in adults, 1 or 2 drops of a 0.5, 1, or 2% cyclopentolate hydrochloride solution may be instilled onto the eye(s) approximately 40-50 minutes before the procedure; if necessary, a second dose may be instilled in 5-10 minutes. In adults with darkly pigmented irides, more doses or use of the 2% solution may be needed. Although recovery from mydriasis and cycloplegia usually occurs within 24 hours, 1 or 2 drops of a 1 or 2% pilocarpine solution instilled onto the eye(s) may reduce recovery time to 3-6 hours in most patients.

For cycloplegic refraction in children, 1 drop of a 0.5, 1, or 2% solution may be instilled onto the eye(s); if necessary, this dose may be followed by a second drop of a 0.5 or 1% solution 5-10 minutes later. The concentration of cyclopentolate hydrochloride used in pediatric patients should be selected based on the patient's weight, iris coloration, and dilation history. In small infants, 1 drop of the 0.5% solution may be instilled into the eye(s). Following instillation, infants should be observed closely for at least 30 minutes. (See Cautions: Pediatric Precautions.)

To produce mydriasis for funduscopic examination with the combination preparation (Cyclomydril(R)), 1 drop of the solution containing 0.2% cyclopentolate hydrochloride and 1% phenylephrine hydrochloride instilled onto each eye will generally provide rapid mydriasis and permit ready visual access to the fundus. The dose may be repeated every 5-10 minutes if necessary. When used in infants to produce mydriasis for screening for retinopathy of prematurity, instillation 30 minutes before the examination is recommended.

Drug interactions

Concomitant administration of phenylephrine with cycloplegic antimuscarinic drugs such as atropine sulfate, cyclopentolate hydrochloride, homatropine hydrobromide, or scopolamine hydrobromide produces increased dilation of the pupil which is of clinical value.

Administration of a 10% solution of phenylephrine hydrochloride to patients pretreated with 2% pilocarpine hydrochloride produces mydriasis but to a lesser degree than occurs in patients who are not receiving the miotic. Pilocarpine may prevent or reduce visual disturbances and the risk of increased intraocular pressure associated with mydriasis in some patients and may be used to hasten recovery from mydriasis after ophthalmologic examination. Phenylephrine may reduce ciliary and conjunctival congestion and accommodative myopia often encountered when miotics are used alone in the treatment of glaucoma, without compromising the effectiveness of glaucoma therapy.

Phenylephrine must be administered under careful supervision and in reduced dosage if used within 21 days after the patient has received a monoamine oxidase inhibitor because potentiation of the pressor effects of phenylephrine may result. The pressor response to phenylephrine may also be potentiated if a tricyclic antidepressant is administered concomitantly.

If phenylephrine is administered to a patient undergoing chronic oral therapy with guanethidine, the pupillary response to phenylephrine is greatly increased and the pressor response may also be potentiated. Phenylephrine should be administered cautiously to patients receiving guanethidine.

The mydriatic response to phenylephrine is decreased in patients receiving levodopa.

The manufacturer states that ketorolac tromethamine ophthalmic solution has been used safely in conjunction with other ophthalmic agents, including antibiotics, beta-adrenergic blocking agents, carbonic anhydrase inhibitors, cycloplegics, and/or mydriatics. The ophthalmic solution also has been used in conjunction with injectable sedatives (e.g., diazepam, hydroxyzine, lorazepam, promethazine hydrochloride), hyaluronidase, and/or local anesthetics (bupivacaine hydrochloride, lidocaine hydrochloride, tetracaine hydrochloride).

Contraindications

Known hypersensitivity to any of the ingredients of this preparation.

Adverse reactions

Occasional temporary stinging, burning and conjunctival redness may occur with the use of proparacaine. Corneal edema has been reportedfollowing the use of proparacaine. A rare, severe, immediate-type, apparently hyperallergic corneal reaction characterized by acute, intense and diffuse epithelial keratitis, a gray, ground glass appearance, sloughing of large areas of necrotic epithelium, corneal filaments and, sometimes, iritis with descemetitis has been reported.

Allergic contact dermatitis with drying and fissuring of the fingertips has also been reported.

Precautions

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ICD codes

No ICD codes are available for this drug.

Formulary status

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Last reviewed · Source: First Databank (FDB) drug data