Home › NDC Lookup › RxCUI directory › RxCUI 855191

24 HR tolterodine tartrate 4 MG Extended Release Oral Capsule [Detrol] — RxCUI 855191

RxNorm drug concept · Semantic branded drug
RxCUI 855191 Semantic branded drug · SBD ● Current RxNorm concept 2 FDA products 4 package NDCs Snapshot Jul 14, 2026

This page is curated, coded, and maintained by

Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI855191
Official name24 HR tolterodine tartrate 4 MG Extended Release Oral Capsule [Detrol]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known as24 HR Detrol LA 4 MG Extended Release Oral Capsule; Detrol LA 4 MG 24HR Extended Release Oral Capsule
FDA products mapped2
Package NDCs mapped4
Reported Medicaid activity (SDUD)578 prescriptions · 4 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Tolterodine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Tolterodine calms the bladder by blocking the nerve signals that cause it to squeeze too often or too urgently. Most people start noticing fewer urgent trips to the bathroom and le...
  • What exactly does tolterodine do, and how quickly will I notice a difference?
  • Dry mouth is the most common complaint with tolterodine, and it happens because the same receptors that calm your bladder also affect your saliva glands. Sipping water frequently,...
  • The dry mouth is really bothersome — is there anything I can do about it?
📖 Read our full Tolterodine guide →

🕸️ Concept Web — How 24 HR tolterodine tartrate 4 MG Extended Release... Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept 24 HR tolterodine tartrate 4 MG Extended Release Oral Capsule [Detrol] RxCUI 855191

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 2

    The active substance itself — no strength, form, or brand attached yet.

    • Tolterodine 119565
    • Tolterodine tartrate 221174
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Detrol 216511
  3. Dose forms 13

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Tolterodine Extended Release Oral Capsule 375645
    • Tolterodine tartrate Extended Release Oral Capsule 2645383
    • Tolterodine Oral Product 1162744
    • Tolterodine Pill 1162745
    • Tolterodine tartrate Oral Product 2660956
    • Tolterodine tartrate Pill 2663550
    • Tolterodine Extended Release Oral Capsule [Detrol] 491104
    • Tolterodine tartrate Extended Release Oral Capsule [Detrol] 2658503
    • +5 more in this family
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 14 of 19 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • 24 HR tolterodine tartrate 4 MG Extended Release Oral Capsule SCD · 855189
  • Tolterodine tartrate 4 MG SCDC · 855188
  • Tolterodine Extended Release Oral Capsule SCDF · 375645
  • Tolterodine tartrate Extended Release Oral Capsule SCDFP · 2645383
  • Tolterodine Oral Product SCDG · 1162744
  • Tolterodine Pill SCDG · 1162745
  • Tolterodine tartrate Oral Product SCDGP · 2660956
  • Tolterodine tartrate Pill SCDGP · 2663550

Brand-Name Concepts

  • Tolterodine tartrate 4 MG [Detrol] SBDC · 855190
  • Tolterodine Extended Release Oral Capsule [Detrol] SBDF · 491104
  • Tolterodine tartrate Extended Release Oral Capsule [Detrol] SBDFP · 2658503
  • Detrol Oral Product SBDG · 1175215
  • Detrol Pill SBDG · 1175216
  • Detrol BN · 216511

📦 FDA Products & Package NDCs

2 products · 4 package NDCs
4 package NDCs map to RxCUI 855191 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
58151-0103-77 90 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (58151-103-77) Detrol LA Viatris Specialty LLC 2024-01-10
58151-0103-93 30 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (58151-103-93) Detrol LA Viatris Specialty LLC 2024-01-10
58151-0104-77 90 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (58151-104-77) Detrol LA Viatris Specialty LLC 2024-03-20
58151-0104-93 30 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (58151-104-93) Detrol LA Viatris Specialty LLC 2024-03-20
Observed labelers: Viatris Specialty LLC (4) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.