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In clinical studies the overall discontinuation rate related to IOPIDINE 0.5% Ophthalmic Solution was 15%. The most commonly reported events leading to discontinuation included (in decreasing order of frequency) hyperemia, pruritus, tearing, discomfort, lid edema, dry mouth, and foreign body sensation.

The following adverse reactions (incidences) were reported in clinical studies of IOPIDINE 0.5% (apraclonidine ophthalmic solution) as being possibly, probably, or definitely related to therapy:

Ocular

The following adverse reactions were reported in 5 to 15% of the patients: discomfort, hyperemia, and puritus. The following adverse reactions were reported in 1 to 5% of the patients: blanching, blurred vision, conjunctivitis, discharge, dry eye, foreign body sensation, lid edema, and tearing.

The following adverse reactions were reported in less than 1% of the patients: abnormal vision, blepharitis, blepharoconjunctivitis, conjunctival edema, conjunctival follicles, corneal erosion, corneal infiltrate, corneal staining, edema, irritation, keratitis, keratopathy, lid disorder, lid erythema, lid margin crusting, lid retraction, lid scales, pain, photophobia.

Nonocular

Dry mouth occurred in approximately 10% of the patients.

The following adverse reactions were reported in less than 3% of the patients: abnormal coordination, asthenia, arrhythmia, asthma, chest pain, constipation, contact dermatitis, depression, dermatitis, dizziness, dry nose, dyspnea, facial edema, headache, insomnia, malaise, myalgia, nausea, nervousness, paresthesia, parosmia, peripheral edema, pharyngitis, rhinitis, somnolence, and taste perversion.

Clinical practice

The following events have been identified during post-marketing use of IOPIDINE® 0.5% (apraclonidine) Ophthalmic Solution in clinical practice. Because they are reported voluntarily from a population of unknown size, estimates of frequency cannot be made. The events, which have been chosen for inclusion due to either their seriousness, frequency of reporting, possible causal connection to IOPIDINE 0.5% Ophthalmic Solution, or a combination of these factors, include: bradycardia.