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Flurox (Fluorescein Sodium and Benoxinate Hydrochloride Ophthalmic Solution): Side Effects, Uses, Dosage, Interactions, Warnings

Flurox

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 2/22/2022

Drug Summary

What Is Flurox?

Flurox (fluorescein sodium 2.5mg) is a disclosing agent with rapid anesthetic action of short duration used for procedures requiring a disclosing agent in combination with a topical ophthalmic anesthetic agent such as tonometry, gonioscopy, removal of corneal foreign bodies and other short corneal or conjunctival procedures.

What Are Side Effects of Flurox?

Side effects of Flurox include:

  • temporary stinging,
  • burning, and
  • eye redness

Dosage for Flurox

The usual dosage of Flurox for removal of foreign bodies and sutures, and for tonometry, is 1 or 2 drops (in single instillations) in each eye before operating.

Flurox In Children

Safety and efficacy of Flurox in pediatric patients have not been established.

What Drugs, Substances, or Supplements Interact with Flurox?

Flurox may interact with other medicines.

Tell your doctor all medications and supplements you use.

Flurox During Pregnancy and Breastfeeding

Tell your doctor if you are pregnant or plan to become pregnant before using Flurox; it is unknown how it would affect a fetus. It is unknown if Flurox passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Flurox (fluorescein sodium 2.5mg (0.25%), Benoxinate Hydrochloride 4mg- 0.4% Solution Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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.

For Use in the Eyes Only

Description for Flurox

Fluorescein Sodium and Benoxinate Hydrochloride Ophthalmic Solution, USP 0.25%/0.4% is a disclosing agent with rapid anesthetic action of short duration.

Fluorescein Sodium is represented by the following structural formula:

Fluorescein sodium Structural Formula Illustration

Chemical Name: Spiro [isobenzofuran-1 (3H), 9 -[9H] xanthene]-3-one, 3’,6’ dihydroxy, disodium salt.

Benoxinate Hydrochloride is represented by the following structural formula:

Benoxinate Hydrochloride Structural Formula Illustration

Chemical Name: 2-(Diethylamino) ethyl 4-amino-3butoxybenzoate monohydrochloride

EACH mL CONTAINS: ACTIVES: Fluorescein Sodium 2.5mg (0.25%), Benoxinate Hydrochloride 4mg (0.4%)
INACTIVES: Povidone, Boric Acid, Water For Injection. Hydrochloric Acid may be added to adjust pH (4.3 - 5.3).
PRESERVATIVE: Methylparaben 0.1%.

Uses for Flurox

For procedures requiring a disclosing agent in combination with a topical ophthalmic anesthetic agent such as tonometry, gonioscopy, removal of corneal foreign bodies and other short corneal or conjunctival procedures.

Dosage for Flurox

Usual Dosage

Removal of foreign bodies and sutures, and for tonometry, 1 or 2 drops (in single instillations) in each eye before operating.

HOW SUPPLIED

Fluorescein Sodium and Benoxinate Hydrochloride Ophthalmic Solution USP, 0.25%/0.4% is supplied in a glass bottle with a sterilized dropper in the following size: 5mL

Storage & Handling

Store in a refrigerator at 2°-8°C (36°-46°F). Can be stored at room temperature for up to one month. Keep tightly closed.

DO NOT USE IF IMPRINTED SEAL ON CAP IS BROKEN OR MISSING.

KEEP OUT OF REACH OF CHILDREN

Manufactured: OCuSOFT, Inc. Richmond, TX 77406-0429. Revised: Nov 2019

Side Effects for Flurox

Occasional temporary stinging, burning, and conjunctival redness have been reported after use of ocular anesthetics, as well as a rare, severe, immediate-type, apparent hyper-allergic corneal reaction, with acute, intense
and diffuse epithelial keratitis, a gray, ground glass appearance, sloughing of large areas of necrotic epithelium, corneal filaments and someimes, iritis with descemetitis.

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

To report SUSPECTED ADVERSE REACTIONS, contact Altaire Pharmaceuticals, Inc. at (631) 722- 5988.

Drug Interactions for Flurox

No information provided.

Warnings for Flurox

Prolonged use of a topical ocular anesthetic is not recommended. It may produce permanent corneal opacification with accompanying visual loss. Avoid contamination - do not touch tip of sterile dropper used to dispense solution to any surface. Replace container closure immediately after using.

Precautions for Flurox

This product should be used cautiously and sparingly in patients with known allergies, cardiac disease, or hyperthyroidism. The long-term toxicity is unknow; prolonged use may possible delay woundhealing.
Although exceedingly rare with ophthalmic application of local anesthetics, it should be borne in mind that systemic toxicity manifested by central nervous sytem stimulation followed by depression may occur. Protection of the eye from irritation, chemicals, foreign bodies and rubbing during the period of anesthesia is very important. Tonometers soaked in sterilizing or detergent solutions should be thoroughly rinsed with sterile distilled water prior to use.

Patients should be advised to avoid touching the eye until the anesthsia has worn off.

Overdose Information for Flurox

No information provided.

Contraindications for Flurox

Known hypersensitivity to any component of this product.

Clinical Pharmacology for Flurox

This product is the combination of a disclosing agent with a rapidly acting anesthetic of short duration.

Patient Information for Flurox

No information provided. Please refer to the WARNINGS and PRECAUTIONS sections.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.