Fexofenadine Disintegrating Oral Tablet [Allegra]
RxNorm 744618

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 744618 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: fexofenadine Disintegrating Oral Tablet [Allegra].

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

SBDF
Fexofenadine Disintegrating Oral Tablet [Allegra]
AUI:6347713
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SBDFPrescribable

Semantic Branded Drug Form (SBDF):
Fexofenadine Disintegrating Oral Tablet [Allegra]
(Atom ID: 6347713)

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
fexofenadine Disintegrating Oral Tablet [Allegra]
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)
744618
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6347713
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDF
Semantic Branded Drug Form (Ingredient + Dose Form + Brand Name)
Source Code
744618
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

Fexofenadine


Fexofenadine is used to relieve the allergy symptoms of seasonal allergic rhinitis (''hay fever''), including runny nose; sneezing; red, itchy, or watery eyes; or itching of the nose, throat, or roof of the mouth in adults and children 2 years of age and older. It is also used to relieve symptoms of urticaria (hives; red, itchy raised areas of the skin), including itching and rash in adults and children 6 months of age and older. Fexofenadine is in a class of medications called antihistamines. It works by blocking the effects of histamine, a substance in the body that causes allergy symptoms.
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