Physostigmine sulfate 0.0025 mg/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
RxNorm 990988

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 990988 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: physostigmine sulfate 0.0025 mg/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic].

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

SY
Eserine Sulfate Ophthalmic 0.0025 mg/MG Ophthalmic Ointment
AUI:1156766
View
SY
Eserine Sulfate Ophthalmic 0.25 % Ophthalmic Ointment
AUI:3263522
View
SBD
Physostigmine sulfate 0.0025 mg/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
AUI:12366821
View
TMSY
PHYSostigmine sulfate 0.0025 mg/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
AUI:12815345
View

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

SY

Synonym (SY):
Eserine Sulfate Ophthalmic 0.0025 mg/MG Ophthalmic Ointment
(Atom ID: 1156766)

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
Eserine Sulfate Ophthalmic 0.0025 MG/MG Ophthalmic Ointment
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)
990988
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
1156766
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
990988
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):
Eserine Sulfate Ophthalmic 0.25 % Ophthalmic Ointment
(Atom ID: 3263522)

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
Eserine Sulfate Ophthalmic 0.25 % Ophthalmic Ointment
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)
990988
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3263522
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
990988
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.
SBD

Semantic Branded Drug (SBD):
Physostigmine sulfate 0.0025 mg/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
(Atom ID: 12366821)

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
physostigmine sulfate 0.0025 MG/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
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)
990988
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12366821
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBD
Semantic Branded Drug (Ingredient + Strength + Dose Form + Brand Name)
Source Code
990988
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 OBSOLETED
04/30/2020
Date the RxNorm atom became obsolete
RXTERM FORM
Ointment
The RxTerm dose form name for this drug
TMSY

Tall Man Lettering Synonym (TMSY):
PHYSostigmine sulfate 0.0025 mg/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
(Atom ID: 12815345)

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
PHYSostigmine sulfate 0.0025 MG/MG Ophthalmic Ointment [Eserine Sulfate Ophthalmic]
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)
990988
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12815345
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
990988
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.