Dextromethorphan HBr 4 mg / guaiFENesin 50 mg / phenylephrine HCl 2.5 mg in 1 mL Oral Solution
RxNorm 1661314

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1661314 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: dextromethorphan HBr 4 mg / guaiFENesin 50 mg / phenylephrine HCl 2.5 mg in 1 mL Oral Solution.

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

SCD
Dextromethorphan hydrobromide 4 mg/ML / guaifenesin 50 mg/ML / phenylephrine hydrochloride 2.5 mg/ML Oral Solution
Primary clinical definition
AUI:12333313
View
PSN
Dextromethorphan HBr 4 mg / guaiFENesin 50 mg / phenylephrine HCl 2.5 mg in 1 mL Oral Solution
AUI:8247162
View
TMSY
Dextromethorphan hydrobromide 4 mg/ML / guaiFENesin 50 mg/ML / phenylephrine hydrochloride 2.5 mg/ML Oral Solution
AUI:12378291
View

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

SCD

Semantic Clinical Drug (SCD):
Dextromethorphan hydrobromide 4 mg/ML / guaifenesin 50 mg/ML / phenylephrine hydrochloride 2.5 mg/ML Oral Solution
(Atom ID: 12333313)

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
dextromethorphan hydrobromide 4 MG/ML / guaifenesin 50 MG/ML / phenylephrine hydrochloride 2.5 MG/ML Oral Solution
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)
1661314
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12333313
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
1661314
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
01/30/2024
Date the RxNorm atom was reactivated
RXN ACTIVATED
07/29/2025
Date the RxNorm atom was reactivated
RXN ACTIVATED
09/01/2021
Date the RxNorm atom was reactivated
RXN AI
{1010978} 102490
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{316018} 5032
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{997282} 8164
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{1010978} 3289
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{316018} 5032
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{997282} 8163
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
4 MG/ML / 50 MG/ML / 2.5 MG/ML
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{1010978} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{316018} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{997282} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN HUMAN DRUG
US
Drug available for use in Humans
RXN OBSOLETED
03/26/2024
Date the RxNorm atom became obsolete
RXN OBSOLETED
07/01/2020
Date the RxNorm atom became obsolete
RXN OBSOLETED
08/30/2023
Date the RxNorm atom became obsolete
RXTERM FORM
Sol
The RxTerm dose form name for this drug
PSN

Prescribable Name (PSN):
Dextromethorphan HBr 4 mg / guaiFENesin 50 mg / phenylephrine HCl 2.5 mg in 1 mL Oral Solution
(Atom ID: 8247162)

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
dextromethorphan HBr 4 MG / guaiFENesin 50 MG / phenylephrine HCl 2.5 MG in 1 mL Oral Solution
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)
1661314
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
8247162
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PSN
Prescribable Name (Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.)
Source Code
1661314
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.
TMSY

Tall Man Lettering Synonym (TMSY):
Dextromethorphan hydrobromide 4 mg/ML / guaiFENesin 50 mg/ML / phenylephrine hydrochloride 2.5 mg/ML Oral Solution
(Atom ID: 12378291)

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
dextromethorphan hydrobromide 4 MG/ML / guaiFENesin 50 MG/ML / phenylephrine hydrochloride 2.5 MG/ML Oral Solution
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)
1661314
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12378291
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
1661314
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.