Opcon-A,  Naphcon-A,  Visine-A   (U.S.N.L.M.)
Dosing 1 or 2 drops up to qid.
Chem Specs typically:  naphazoline 0.025%,   pheniramine 0.3%
Quantities 0.5 fl. oz.
Cost 7.00
Class Antihistamine/Decongestant
Action Vasoconstriction via adrenergic agonist (naphazoline )
Histamine antagonist with anitcholinergic properties (pheniramine).
Usage Temporary relief of itching and redness caused by ragweed, pollen,
grass, animal dander and hair.
Chronic use can result in conjunctival inflammation,
dry eye, and rebound hyperemia when stopped.
Contraindications Narrow angle glaucoma. Hypersensitivity to any of the ingredients. Safety
concern with cardiovascular disease, hyperthyroidism, and diabetes.
Pediatric use 6 years of age and older
Pregnancy Category C. No adequate well controlled proof of harm in pregnancy.
Seldom recommended due to the above noted drawbacks.
BAK preserved
    N.L.M. DailyMed page for Opcon-A          PDR page for Opcon-A