Dorzolamide (Trusopt) is a carbonic anhydrase inhibitor eye drop used to lower elevated intraocular pressure in glaucoma and ocular hypertension.
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Dr. Steve Malen, PharmD
Dr. Steven Blikstein, PharmD
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Dorzolamide is a topical carbonic anhydrase inhibitor that reduces aqueous humor production in the eye, lowering intraocular pressure in patients with ocular hypertension or open-angle glaucoma. It is used alone or in combination with other IOP-lowering agents such as timolol. The typical dose is one drop in the affected eye(s) three times daily. Common side effects include burning or stinging upon instillation, blurred vision, and a bitter taste in the mouth. As a sulfonamide, it should be used cautiously in patients with a sulfa allergy, and systemic absorption can rarely cause metabolic acidosis, particularly in patients with renal impairment. If using other topical eye medications, wait at least 10 minutes between applications, and remove contact lenses before instilling (they may be reinserted 15 minutes later).
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Dorzolamide (Trusopt) is a carbonic anhydrase inhibitor eye drop that reduces the production of aqueous humor to lower elevated intraocular pressure in glaucoma and ocular hypertension. It may be used alone or combined with other pressure-lowering eye drops.
Common side effects include burning or stinging upon instillation, blurred vision, and a bitter taste in the mouth.
Important: As a sulfonamide, dorzolamide should be used cautiously in patients with a sulfa allergy. Remove contact lenses before applying and wait at least 15 minutes before reinserting them. If using more than one eye medication, space doses at least 10 minutes apart.