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24 HR doxazosin 8 MG Extended Release Oral Tablet — RxCUI 636361

RxNorm drug concept · Semantic clinical drug
RxCUI 636361 Semantic clinical drug · SCD ● Current RxNorm concept 2 FDA products 2 package NDCs Snapshot Jul 14, 2026

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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

RxCUI636361
Official name24 HR doxazosin 8 MG Extended Release Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asdoxazosin (as doxazosin mesylate) 8 MG 24 HR Extended Release Oral Tablet; doxazosin mesylate 8 MG 24HR Extended Release Oral Tablet
FDA products mapped2
Package NDCs mapped2
Reported Medicaid activity (SDUD)23 prescriptions · 1 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 Doxazosin: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Doxazosin tablets are used for two main things: relieving the urinary symptoms of an enlarged prostate (BPH) — things like a weak stream, frequent urges to urinate, or waking up at...
  • Yes, that's actually one of the most common things people notice, especially with the first dose or after a dose increase. Doxazosin can cause your blood pressure to drop when you...
  • I felt really dizzy after my first dose — is that normal?
  • For regular doxazosin tablets, you can take them either in the morning or the evening — just pick a consistent time and stick with it. If you're taking Cardura XL (the extended-rel...
📖 Read our full Doxazosin guide →

🕸️ Concept Web — How 24 HR doxazosin 8 MG Extended Release Oral Table... 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 doxazosin 8 MG Extended Release Oral Tablet RxCUI 636361

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

  1. Ingredients 1

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

    • Doxazosin 49276
  2. Brand names 1

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

    • Cardura 196468
  3. Dose forms 9

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

    • Doxazosin Extended Release Oral Tablet 393431
    • Doxazosin Oral Product 1160764
    • Doxazosin Pill 1160765
    • Doxazosin Extended Release Oral Tablet [Cardura] 631239
    • Cardura Oral Product 1175764
    • Cardura Pill 1175765
    • Extended Release Oral Tablet 316945
    • Oral Product 1151131
    • +1 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 — 13 of 14 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

  • Doxazosin 8 MG SCDC · 328239
  • Doxazosin Extended Release Oral Tablet SCDF · 393431
  • Doxazosin Oral Product SCDG · 1160764
  • Doxazosin Pill SCDG · 1160765

Brand-Name Concepts

📦 FDA Products & Package NDCs

2 products · 2 package NDCs
2 package NDCs map to RxCUI 636361 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
58151-0078-93 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (58151-... Cardura XL Viatris Specialty LLC 2024-04-23
58151-0079-93 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (58151-... Cardura XL Viatris Specialty LLC 2024-01-04
Observed labelers: Viatris Specialty LLC (2) — 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.