Dorzolamide
Carbonic Anhydrase Inhibitors
Sold as COSOPT · DUOKOPT · APO-DORZO-TIMOP · COSOPT PRESERVATIVE-FREE
- Drug class
- Carbonic Anhydrase Inhibitors
- Availability
- Prescription only
- Routes
- Ophthalmic
- Markets covered
- 3
- Products on record
- 112
Overview
Dorzolamide is an active pharmaceutical ingredient in the Carbonic Anhydrase Inhibitors group (S01EC). The information below is compiled per regulator from the product labels on record, with direct links to the original documents.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| GB United Kingdom | MHRA | 88 | May 15, 2026 |
| CA Canada | Health Canada | 20 | October 16, 2025 |
| US United States | FDA | 4 | January 9, 2026 |
GBUnited Kingdom· MHRA
88 products
Uses
Indicated in the treatment of elevated intraocular pressure (IOP) in patients with open-angle glaucoma or pseudoexfoliative glaucoma when topical beta-blocker monotherapy is not sufficient.
How to take
CACanada· Health Canada
20 products
Uses
COSOPT® (dorzolamide hydrochloride and timolol maleate) and COSOPT® preservative-free (without benzalkonium chloride as the preservative) are indicated in the treatment of elevated intraocular pressure (IOP) in patients with: • ocular hypertension • open-angle glaucoma when concomitant therapy is appropriate.
COSOPT preservative-free is indicated in patients who may be sensitive to a preservative, or for whom the use of a preservative-free formulation is otherwise advisable. For details please also refer to the 4 DOSAGE AND ADMINISTRATION section as well as to the 14 CLINICAL TRIALS section.
1 Pediatrics Pediatrics (<18 years of age): Safety and effectiveness in children have not been established. No data are available to Health Canada; therefore, an indication for pediatric use has not been authorized. 4 Geriatrics).
USUnited States· FDA
4 products
Uses
1 INDICATIONS AND USAGE 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.
( 1 )
How to take
Drug interactions
Known interactions involving Dorzolamide. Select one for details. This list is informational and not a complete interaction checker.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]MHRA (UK) · PL018830358 · revised January 24, 2025
- [2]Health Canada (DPD) · 02240113 · revised March 22, 2025
- [3]FDA DailyMed · 0246463c-6c24-46… · revised January 9, 2026 [PDF]
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.