Loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
RxNorm 545255

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 545255 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: loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension.

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

SCD
Loteprednol etabonate 5 mg/ML / tobramycin 3 mg/ML Ophthalmic Suspension
Primary clinical definition
AUI:12342468
View
PSN
Loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
AUI:6398978
View
SY
Loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
AUI:3293621
View
PT
Loteprednol etabonate 5 mg/mL and tobramycin 3 mg/mL eye suspension
AUI:11437458
View
FN
Product containing precisely loteprednol etabonate 5 mg/1 mL and tobramycin 3 mg/1 mL conventional release eye suspension (clinical drug)
AUI:11440251
View

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

SCDPrescribable

Semantic Clinical Drug (SCD):
Loteprednol etabonate 5 mg/ML / tobramycin 3 mg/ML Ophthalmic Suspension
(Atom ID: 12342468)

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
loteprednol etabonate 5 MG/ML / tobramycin 3 MG/ML Ophthalmic Suspension
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)
545255
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12342468
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
545255
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
{323975} 10627
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{332130} 52177
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{323975} 10627
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{332130} 237027
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
5 MG/ML / 3 MG/ML
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{323975} 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
{332130} 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
RXTERM FORM
Susp
The RxTerm dose form name for this drug
PSNPrescribable

Prescribable Name (PSN):
Loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
(Atom ID: 6398978)

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
loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
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)
545255
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6398978
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
545255
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):
Loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
(Atom ID: 3293621)

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
loteprednol etabonate 0.5 % / tobramycin 0.3 % Ophthalmic Suspension
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)
545255
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3293621
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
545255
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.
PTPrescribable

Designated preferred name (PT):
Loteprednol etabonate 5 mg/mL and tobramycin 3 mg/mL eye suspension
(Atom ID: 11437458)

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
Loteprednol etabonate 5 mg/mL and tobramycin 3 mg/mL eye suspension
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)
545255
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11437458
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
416375002
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
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
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.
FNPrescribable

Full form of descriptor (FN):
Product containing precisely loteprednol etabonate 5 mg/1 mL and tobramycin 3 mg/1 mL conventional release eye suspension (clinical drug)
(Atom ID: 11440251)

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
Product containing precisely loteprednol etabonate 5 milligram/1 milliliter and tobramycin 3 milligram/1 milliliter conventional release eye suspension (clinical drug)
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)
545255
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
11440251
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
416375002
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
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
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.

Patient Education

Loteprednol Ophthalmic


Ophthalmic loteprednol products are used to treat different eye conditions: Loteprednol (Inveltys, Lotemax, Lotemax SM) is used to treat swelling and pain after cataract surgery (procedure to treat clouding of the lens in the eye). Loteprednol (Alrex) is used to reduce eye redness, itching, and swelling caused by seasonal allergies. Loteprednol (Lotemax) is used to reduce eye swelling caused by allergies, certain eye infections, ocular rosacea (condition that can cause swelling, redness, and itching of the eye), herpes zoster (shingles; a rash that can occur in people who have had chickenpox in the past and can affect the eyes), and other eye conditions. Loteprednol (Eysuvis) is used to treat dry eye disease (an eye disorder in which tears do not provide sufficient eye lubrication). Loteprednol is in a class of medications called corticosteroids. It works by stopping the release of certain natural substances that cause swelling, itching, and pain.
[Learn More]


Tobramycin Ophthalmic


Ophthalmic tobramycin is used to treat eye infections. Tobramycin is in a class of medications called antibiotics. It works by killing bacteria that cause infections.
[Learn More]


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