Polymyxin B 10000 UNT/ML / trimethoprim 1 mg/ML [Polytrim]
RxNorm 569148

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 569148 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: polymyxin B 10000 UNT/ML / trimethoprim 1 mg/ML [Polytrim].

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

SBDC
Polymyxin B 10000 UNT/ML / trimethoprim 1 mg/ML [Polytrim]
AUI:12298393
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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.

SBDC

Semantic Branded Drug Component (SBDC):
Polymyxin B 10000 UNT/ML / trimethoprim 1 mg/ML [Polytrim]
(Atom ID: 12298393)

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
polymyxin B 10000 UNT/ML / trimethoprim 1 MG/ML [Polytrim]
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)
569148
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12298393
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDC
Semantic Branded Drug Component (Ingredient + Strength + Brand Name)
Source Code
569148
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
04/28/2026
Date the RxNorm atom became obsolete

Patient Education

Polymyxin B and Trimethoprim Ophthalmic


Polymyxin B and trimethoprim ophthalmic combination is used to treat bacterial infections of the eye including conjunctivitis (pinkeye; infection of the membrane that covers the outside of the eyeball and the inside of the eyelid) or blepharoconjunctivitis (infection of the membrane that covers the outside of the eyeball and the inside and outer parts of the eyelid). Polymyxin B and trimethoprim are in a class of medications called antibiotics. They work by killing bacteria that cause infections.
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