Naphazoline, an imidazoline derivative is a sympathomimetic with α-adrenergic activity. It produces vasoconstriction. When applied topically to mucous membranes, it reduces swelling and congestion. It is often used in combination with pheniramine, an alkylamine derivative antihistamine, in ophthalmic preparations.

This eye drop is indicated for the symptomatic treatment of allergic conjunctivitis

Adults and children 6 years of age and older: instill 1 or 2 drops in affected eye(s) up to 4 times daily.

Children under 6 years: ask a doctor.

Angle closure glaucoma.

Blurring of vision, mild stinging and/or irritation, mydriasis and increased or decreased intraocular pressure. When used in high doses in elderly, naphazoline may liberate pigment granules from the iris.

Glaucoma, hypertension, CV abnormalities, DM, hyperthyroidism, infection, or injury. Pregnancy and lactation. Avoid in infants and young children <6 yr. Rebound congestion may occur with prolonged use or overuse. Patient to seek medical advice if there is ocular pain, vision changes, worsening of redness or irritation of the eye or symptoms lasts >72 hr. Remove contact lens before use.

Pregnancy & Lactation

Pregnancy Category C. Either studies in animals have revealed adverse effects on the foetus (teratogenic or embryocidal or other) and there are no controlled studies in women or studies in women and animals are not available. Drugs should be given only if the potential benefit justifies the potential risk to the foetus.