Dorzolamide / timolol Ophthalmic Solution [Cosopt]
RxNorm 363756

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 363756 represents a standardized clinical drug concept used for cross-system interoperability. This concept aggregates multiple Atom IDs (AUIs), which are specific naming variations and synonyms used across pharmaceutical databases to ensure accurate medication mapping for: dorzolamide / timolol Ophthalmic Solution [Cosopt].

The following semantic concepts and normalized strings are associated with this clinical entity:

SBDF
Dorzolamide / timolol Ophthalmic Solution [Cosopt]
AUI:12318413
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This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SBDFPrescribable

Semantic Branded Drug Form (SBDF):
Dorzolamide / timolol Ophthalmic Solution [Cosopt]
(Atom ID: 12318413)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
dorzolamide / timolol Ophthalmic Solution [Cosopt]
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
363756
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12318413
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDF
Semantic Branded Drug Form (Ingredient + Dose Form + Brand Name)
Source Code
363756
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
RxNorm Vocabulary (RXNORM)
The official name and abbreviation for the vocabulary source.
Source Version
20AA_260601F
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
RxNorm Customer Service, , U.S. National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, (888) FIND-NLM, , https://support.nlm.nih.gov/support/create-case/, https://www.nlm.nih.gov/research/umls/rxnorm/
Source licensing contact information.

Patient Education

Dorzolamide and Timolol Ophthalmic


The combination of dorzolamide and timolol is used to treat eye conditions, including glaucoma and ocular hypertension, in which increased pressure can lead to a gradual loss of vision. Dorzolamide and timolol is used for patients whose eye condition has not responded to another medication. Dorzolamide is in a class of medications called topical carbonic anhydrase inhibitors. Timolol is in a class of medications called topical beta blockers. Dorzolamide and timolol lowers pressure in the eye by decreasing the production of natural fluids in the eye.
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