1 daytime (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydrAMINE HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
RxNorm 2634818

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2634818 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: 1 daytime (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydrAMINE HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack.

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

PSN
1 daytime (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydrAMINE HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
AUI:12804932
View
SY
1 daytime (acetaminophen 325 mg / guaifenesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydramine HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
AUI:12804931
View
TMSY
1 daytime (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydrAMINE HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
AUI:12805328
View
GPCK
{1 (acetaminophen 325 mg / diphenhydramine hydrochloride 25 mg / phenylephrine hydrochloride 5 mg Oral Tablet) / 1 (acetaminophen 325 mg / guaifenesin 200 mg / phenylephrine hydrochloride 5 mg Oral Tablet) } Pack
AUI:12804930
View
TMSY
{1 (acetaminophen 325 mg / diphenhydrAMINE hydrochloride 25 mg / phenylephrine hydrochloride 5 mg Oral Tablet) / 1 (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine hydrochloride 5 mg Oral Tablet) } Pack
AUI:12805322
View

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

PSNPrescribable

Prescribable Name (PSN):
1 daytime (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydrAMINE HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
(Atom ID: 12804932)

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
1 daytime (acetaminophen 325 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral Tablet) / 1 nighttime (acetaminophen 325 MG / diphenhydrAMINE HCl 25 MG / phenylephrine HCl 5 MG Oral Tablet) Pack
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)
2634818
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12804932
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
2634818
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.
SYPrescribable

Synonym (SY):
1 daytime (acetaminophen 325 mg / guaifenesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydramine HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
(Atom ID: 12804931)

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
1 daytime (acetaminophen 325 MG / guaifenesin 200 MG / phenylephrine HCl 5 MG Oral Tablet) / 1 nighttime (acetaminophen 325 MG / diphenhydramine HCl 25 MG / phenylephrine HCl 5 MG Oral Tablet) Pack
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)
2634818
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12804931
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
2634818
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.
TMSYPrescribable

Tall Man Lettering Synonym (TMSY):
1 daytime (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine HCl 5 mg Oral Tablet) / 1 nighttime (acetaminophen 325 mg / diphenhydrAMINE HCl 25 mg / phenylephrine HCl 5 mg Oral Tablet) Pack
(Atom ID: 12805328)

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
1 daytime (acetaminophen 325 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral Tablet) / 1 nighttime (acetaminophen 325 MG / diphenhydrAMINE HCl 25 MG / phenylephrine HCl 5 MG Oral Tablet) Pack
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)
2634818
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12805328
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
2634818
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.
GPCKPrescribable

Generic Pack (GPCK):
{1 (acetaminophen 325 mg / diphenhydramine hydrochloride 25 mg / phenylephrine hydrochloride 5 mg Oral Tablet) / 1 (acetaminophen 325 mg / guaifenesin 200 mg / phenylephrine hydrochloride 5 mg Oral Tablet) } Pack
(Atom ID: 12804930)

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
{1 (acetaminophen 325 MG / diphenhydramine hydrochloride 25 MG / phenylephrine hydrochloride 5 MG Oral Tablet) / 1 (acetaminophen 325 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral Tablet) } Pack
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)
2634818
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12804930
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
GPCK
Generic Pack ({# (Ingredient + Strength + Dose Form) / # (Ingredient + Strength + Dose Form)} Pack)
Source Code
2634818
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 HUMAN DRUG
US
Drug available for use in Humans
TMSYPrescribable

Tall Man Lettering Synonym (TMSY):
{1 (acetaminophen 325 mg / diphenhydrAMINE hydrochloride 25 mg / phenylephrine hydrochloride 5 mg Oral Tablet) / 1 (acetaminophen 325 mg / guaiFENesin 200 mg / phenylephrine hydrochloride 5 mg Oral Tablet) } Pack
(Atom ID: 12805322)

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
{1 (acetaminophen 325 MG / diphenhydrAMINE hydrochloride 25 MG / phenylephrine hydrochloride 5 MG Oral Tablet) / 1 (acetaminophen 325 MG / guaiFENesin 200 MG / phenylephrine hydrochloride 5 MG Oral Tablet) } Pack
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)
2634818
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12805322
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
2634818
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.