Dorzolamidedrug info
dorzolamide 20 MG/ML Ophthalmic Solution
What it is used for
Dorzolamide Hydrochloride Ophthalmic Solution is indicated in the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma. Dorzolamide Hydrochloride Ophthalmic Solution is a carbonic anhydrase inhibitor indicated for the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective January 9, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Dorzolamide Hydrochloride Ophthalmic Solution, USP is a carbonic anhydrase inhibitor formulated for topical ophthalmic use. Dorzolamide hydrochloride, USP is described chemically as: (4 S-trans )-4-(ethylamino)-5,6-dihydro-6-methyl-4 H -thieno[2,3- b ]thiopyran-2-sulfonamide 7,7-dioxide monohydrochloride. Dorzolamide hydrochloride, USP is optically active. The specific rotation is [α] 25°C (C=1,water) = ~ - 17°. 405 nm Its empirical formula is C 10 H 16 N 2 O 4 S 3.HCl and its structural formula is: Dorzolamide hydrochloride, USP has a molecular weight of 360.9 and a melting point of about 264°C. It is a white to almost white crystalline powder, which is soluble in water and slightly soluble in methanol and very slightly soluble in anhydrous ethanol. Dorzolamide Hydrochloride Ophthalmic Solution, USP is supplied as a sterile, isotonic, buffered, slightly viscous, aqueous solution of dorzolamide hydrochloride, USP. The pH of the solution is approximately 5.4 to 5.9, and the osmolarity is 260 to 330 mOsM. Each mL of Dorzolamide Hydrochloride Ophthalmic Solution, USP 2% contains 20 mg dorzolamide (22.3 mg of dorzolamide hydrochloride, USP). Inactive ingredients are hydroxyethyl cellulose, mannitol, sodium citrate dihydrate, sodium hydroxide (to adjust pH) and water for injection. Benzalkonium chloride 0.0075% is added as a preservative. structural formula
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective January 9, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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