Stop Lice Maximum Strength 4 % / 0.33 % Medicated Shampoo
RxNorm 646836

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 646836 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: Stop Lice Maximum Strength 4 % / 0.33 % Medicated Shampoo.

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

SBD
Piperonyl butoxide 40 mg/ML / pyrethrins 3.3 mg/ML Medicated Shampoo [Stop Lice Maximum Strength]
AUI:12357959
View
SY
Stop Lice Maximum Strength (piperonyl butoxide 4 % / pyrethrins 0.33 % ) Medicated Shampoo
AUI:6405503
View
PSN
Stop Lice Maximum Strength 4 % / 0.33 % Medicated Shampoo
AUI:6405502
View

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

SBD

Semantic Branded Drug (SBD):
Piperonyl butoxide 40 mg/ML / pyrethrins 3.3 mg/ML Medicated Shampoo [Stop Lice Maximum Strength]
(Atom ID: 12357959)

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
piperonyl butoxide 40 MG/ML / pyrethrins 3.3 MG/ML Medicated Shampoo [Stop Lice Maximum Strength]
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
646836
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12357959
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBD
Semantic Branded Drug (Ingredient + Strength + Dose Form + Brand Name)
Source Code
646836
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 AI
{330135} 8345
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{333696} 8991
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{330135} 8345
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{333696} 8991
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{330135} 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
{333696} 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 OBSOLETED
07/29/2025
Date the RxNorm atom became obsolete
RXTERM FORM
Medicated Shampoo
The RxTerm dose form name for this drug
SY

Synonym (SY):
Stop Lice Maximum Strength (piperonyl butoxide 4 % / pyrethrins 0.33 % ) Medicated Shampoo
(Atom ID: 6405503)

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
Stop Lice Maximum Strength (piperonyl butoxide 4 % / pyrethrins 0.33 % ) Medicated Shampoo
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
646836
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6405503
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
646836
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.
PSN

Prescribable Name (PSN):
Stop Lice Maximum Strength 4 % / 0.33 % Medicated Shampoo
(Atom ID: 6405502)

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
Stop Lice Maximum Strength 4 % / 0.33 % Medicated Shampoo
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
O
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
646836
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6405502
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
646836
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

Pyrethrin and Piperonyl Butoxide Topical


Pyrethrin and piperonyl butoxide shampoo is used to treat lice (small insects that attach themselves to the skin on the head, body, or pubic area ['crabs']) in adults and children 2 years of age and older. Pyrethrin and piperonyl butoxide is in a class of medications called pediculicides. It works by killing lice.
[Learn More]


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