
Not for injection or oral ingestion.
FOR TOPICAL OPHTHALMIC USE ONLY.
There is currently no manufacturer warning information available for this drug.
IOPIDINE 0.5% Ophthalmic Solution is indicated for short-term adjunctive therapy in patients on maximally tolerated medical therapy who require additional IOP reduction. Patients on maximally tolerated medical therapy who are treated with IOPIDINE 0.5% Ophthalmic Solution to delay surgery should have frequent followup examinations and treatment should be discontinued if the intraocular pressure rises significantly.
The addition of IOPIDINE 0.5% Ophthalmic Solution to patients already using two aqueous suppressing drugs (i.e., beta-blocker plus carbonic anhydrase inhibitor) as part of their maximally tolerated medical therapy may not provide additional benefit. This is because IOPIDINE 0.5% Ophthalmic Solution is an aqueous suppressing drug and the addition of a third aqueous suppressant may not significantly reduce IOP.
The IOP lowering efficacy of IOPIDINE 0.5% Ophthalmic Solution diminishes over time in some patients. This loss of effect, or tachyphylaxis, appears to be an individual occurrence with a variable time of onset and should be closely monitored. The benefit for most patients is less than one month.
IOPIDINE® 0.5% Ophthalmic Solution contains apraclonidine hydrochloride, an alpha adrenergic agonist, in a sterile isotonic solution for topical application to the eye. Apraclonidine hydrochloride is a white to off-white powder and is highly soluble in water. Its chemical name is 2-[(4-amino-2,6 dichlorophenyl) imino]imidazolidine monohydrochloride with an empirical formula of C9H11Cl3N4 and a molecular weight of 281.57. The chemical structure of apraclonidine hydrochloride is:

Each mL of IOPIDINE 0.5% Ophthalmic Solution contains: Active: apraclonidine hydrochloride 5.75 mg equivalent to apraclonidine base 5 mg; Preservative: benzalkonium chloride 0.01%. Inactives: sodium chloride, sodium acetate, sodium hydroxide and/or hydrochloric acid (pH 4.4-7.8) and purified water.