Bismuth subsalicylate Oral Tablet [Kaopectate Reformulated Aug 2006]
RxNorm 642348

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 642348 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: bismuth subsalicylate Oral Tablet [Kaopectate Reformulated Aug 2006].

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

SBDF
Bismuth subsalicylate Oral Tablet [Kaopectate Reformulated Aug 2006]
AUI:2542204
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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):
Bismuth subsalicylate Oral Tablet [Kaopectate Reformulated Aug 2006]
(Atom ID: 2542204)

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
bismuth subsalicylate Oral Tablet [Kaopectate Reformulated Aug 2006]
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)
642348
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
2542204
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDF
Semantic Branded Drug Form (Ingredient + Dose Form + Brand Name)
Source Code
642348
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 ACTIVATED
02/25/2020
Date the RxNorm atom was reactivated
RXN ACTIVATED
08/27/2014
Date the RxNorm atom was reactivated
RXN OBSOLETED
01/02/2020
Date the RxNorm atom became obsolete
RXN OBSOLETED
02/27/2013
Date the RxNorm atom became obsolete

Patient Education

Bismuth Subsalicylate


Bismuth subsalicylate is used to treat diarrhea, heartburn, and upset stomach in adults and children 12 years of age and older. Bismuth subsalicylate is in a class of medications called antidiarrheal agents. It works by decreasing the flow of fluids and electrolytes into the bowel, reduces inflammation within the intestine, and may kill the organisms that can cause diarrhea.
[Learn More]


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