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Brand names: Dorzolamide Hydrochloride
12.1 Mechanism of Action Carbonic anhydrase (CA) is an enzyme found in many tissues of the body including the eye. It catalyzes the reversible reaction involving the hydration of carbon dioxide and the dehydration of carbonic acid. In humans, carbonic anhydrase exists as a number of isoenzymes, the most active being carbonic anhydrase II (CA-II), found primarily in red blood cells (RBCs), but also in other tissues. Inhibition of carbonic anhydrase in the ciliary processes of the eye decreases aqueous humor secretion, presumably by slowing the formation of bicarbonate ions with subsequent reduction in sodium and fluid transport. The result is a reduction in intraocular pressure (IOP). Dorzolamide Hydrochloride Ophthalmic Solution contains dorzolamide hydrochloride, an inhibitor of human carbonic anhydrase II. Following topical ocular administration, Dorzolamide Hydrochloride Ophthalmic Solution reduces elevated intraocular pressure. Elevated intraocular pressure is a major risk factor i
Contraindications
5 documented side effects by frequency
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15 available comparisons
Dosage Forms
Tablet
Route
Ophthalmic