Trimethadione Chewable Tablet
RxNorm 374432

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 374432 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: trimethadione Chewable Tablet.

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

SCDF
Trimethadione Chewable Tablet
AUI:12259104
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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.

SCDF

Semantic Clinical Drug Form (SCDF):
Trimethadione Chewable Tablet
(Atom ID: 12259104)

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
trimethadione Chewable Tablet
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)
374432
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12259104
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCDF
Semantic Clinical Drug Form (Ingredient + Dose Form)
Source Code
374432
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

Trimethadione


Trimethadione is used to control absence seizures (petit mal; a type of seizure in which there is a very short loss of awareness during which the person may stare straight ahead or blink his eyes and does not respond to others) when other medications will not work. Trimethadione is in a class of medications called anticonvulsants. It works by reducing abnormal electrical activity in the brain.
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