Methadex 3.5 mg/mL / 10,000 UNT/mL / dexAMETHasone 0.1 % Ophthalmic Suspension
RxNorm 208592

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 208592 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: Methadex 3.5 mg/mL / 10,000 UNT/mL / dexAMETHasone 0.1 % Ophthalmic Suspension.

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

SBD
Dexamethasone 1 mg/ML / neomycin 3.5 mg/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension [Methadex]
AUI:12354752
View
TMSY
DexAMETHasone 1 mg/ML / neomycin 3.5 mg/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension [Methadex]
AUI:12815200
View
SY
Methadex (dexamethasone 0.1 % / neomycin 0.35 % / polymyxin B 10,000 UNT) per mL Ophthalmic Suspension
AUI:6403653
View
TMSY
Methadex (dexAMETHasone 0.1 % / neomycin 0.35 % / polymyxin B 10,000 UNT) per mL Ophthalmic Suspension
AUI:12814201
View
PSN
Methadex 3.5 mg/mL / 10,000 UNT/mL / dexAMETHasone 0.1 % Ophthalmic Suspension
AUI:6812802
View

This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SBD

Semantic Branded Drug (SBD):
Dexamethasone 1 mg/ML / neomycin 3.5 mg/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension [Methadex]
(Atom ID: 12354752)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
dexamethasone 1 MG/ML / neomycin 3.5 MG/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension [Methadex]
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
208592
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12354752
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBD
Semantic Branded Drug (Ingredient + Strength + Dose Form + Brand Name)
Source Code
208592
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.

Technical Attributes & Logic

RXN AI
{316332} 7300
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{316526} 388
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{317629} 3264
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{316332} 7299
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{316526} 8536
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{317629} 3264
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{316332} AM
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{316526} AM
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{317629} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN OBSOLETED
04/30/2020
Date the RxNorm atom became obsolete
RXTERM FORM
Susp
The RxTerm dose form name for this drug
TMSY

Tall Man Lettering Synonym (TMSY):
DexAMETHasone 1 mg/ML / neomycin 3.5 mg/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension [Methadex]
(Atom ID: 12815200)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
dexAMETHasone 1 MG/ML / neomycin 3.5 MG/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension [Methadex]
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
208592
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12815200
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
TMSY
Tall Man Lettering Synonym (Tall Man Lettering synonym of another TTY, given to distinguish between commonly confused drugs.)
Source Code
208592
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.
SY

Synonym (SY):
Methadex (dexamethasone 0.1 % / neomycin 0.35 % / polymyxin B 10,000 UNT) per mL Ophthalmic Suspension
(Atom ID: 6403653)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Methadex (dexamethasone 0.1 % / neomycin 0.35 % / polymyxin B 10,000 UNT) per ML Ophthalmic Suspension
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
208592
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6403653
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
208592
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.
TMSY

Tall Man Lettering Synonym (TMSY):
Methadex (dexAMETHasone 0.1 % / neomycin 0.35 % / polymyxin B 10,000 UNT) per mL Ophthalmic Suspension
(Atom ID: 12814201)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Methadex (dexAMETHasone 0.1 % / neomycin 0.35 % / polymyxin B 10,000 UNT) per ML Ophthalmic Suspension
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
208592
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12814201
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
TMSY
Tall Man Lettering Synonym (Tall Man Lettering synonym of another TTY, given to distinguish between commonly confused drugs.)
Source Code
208592
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.
PSN

Prescribable Name (PSN):
Methadex 3.5 mg/mL / 10,000 UNT/mL / dexAMETHasone 0.1 % Ophthalmic Suspension
(Atom ID: 6812802)

Clinical Status & Identity

Prescribable Status
NO (Reference)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Methadex 3.5 MG/mL / 10,000 UNT/mL / dexAMETHasone 0.1 % Ophthalmic Suspension
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
208592
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6812802
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PSN
Prescribable Name (Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.)
Source Code
208592
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.