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Naphcon Forte
  • Professionals
  • FDA PI

Naphcon Forte

Generic name:naphazoline hydrochloride
Dosage form: ophthalmic solution
Drug class:Ophthalmic antihistamines and decongestants

Medically reviewed by Drugs.com. Last updated on Mar 22, 2022.

DESCRIPTION

NAPHCON® FORTE (Naphazoline Hydrochloride Ophthalmic Solution USP), 0.1% is a sterile preparation. Naphazoline HCl, an ocular vasoconstrictor, is an imidazoline derivative sympathomimetic amine. It occurs as a white, odorless crystalline powder having a bitter taste and is freely soluble in water and in alcohol. The active ingredient is represented by the structural formula:

C14H14N2HCl

MW=246.74

Chemical name:

2-(1-naphthylmethyl)-2-imidazoline monohydrochloride

Each mL contains: Active: Naphazoline Hydrochloride 0.1%. Preservative: Benzalkonium Chloride 0.01%. Inactives: Boric Acid, Sodium Chloride, Potassium Chloride, Edetate Disodium, Sodium Carbonate and/or Hydrochloric Acid (to adjust pH), Purified Water. DM-00

The solution has a pH of 5.5 to 7.0.

CLINICAL PHARMACOLOGY

Naphazoline constricts the vascular system of the conjunctiva. It is presumed that this effect is due to direct stimulation action of the drug upon the alpha adrenergic receptors in the arterioles of the conjunctiva resulting in decreased conjunctival congestion. Naphazoline belongs to the imidazoline class of sympathomimetics.

INDICATIONS AND USAGE

NAPHCON® FORTE (Naphazoline Hydrochloride Ophthalmic Solution USP), 0.1% is indicated for use as a topical ocular vasoconstrictor.

CONTRAINDICATIONS

Contraindicated in the presence of an anatomically narrow angle or in narrow angle glaucoma or in persons who have shown hypersensitivity to any component of this preparation.

WARNINGS

NOT FOR INJECTION – FOR OPHTHALMIC USE ONLY. Patients under therapy...