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Atenolol 50 MG / chlorthalidone 25 MG Oral Tablet — RxCUI 197383

RxNorm drug concept · Semantic clinical drug
RxCUI 197383 Semantic clinical drug · SCD ● Current RxNorm concept 17 FDA products 21 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

RxCUI197383
Official nameAtenolol 50 MG / chlorthalidone 25 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped17
Package NDCs mapped21
Reported Medicaid activity (SDUD)42,330 prescriptions · 39 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 Chlorthalidone: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Chlorthalidone is a water pill — it helps your kidneys remove extra salt and fluid from your body. That lowers the pressure inside your blood vessels, which is why it's used for hi...
  • What exactly is chlorthalidone supposed to do for me?
  • Take it in the morning with food — that's the standard recommendation. Taking it in the morning means the increased urination it causes happens during the day while you're awake, r...
  • Should I take it in the morning or at night, and does it matter if I eat?
📖 Read our full Chlorthalidone guide →

🕸️ Concept Web — How Atenolol 50 MG / chlorthalidone 25 MG 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 Atenolol 50 MG / chlorthalidone 25 MG Oral Tablet RxCUI 197383

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

  1. Ingredients 3

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

    • Atenolol 1202
    • Chlorthalidone 2409
    • Atenolol / chlorthalidone 151195
  2. Brand names 1

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

    • Tenoretic 37789
  3. Dose forms 9

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

    • Atenolol / chlorthalidone Oral Tablet 370620
    • Atenolol / chlorthalidone Oral Product 1154370
    • Atenolol / chlorthalidone Pill 1154371
    • Atenolol / chlorthalidone Oral Tablet [Tenoretic] 746022
    • Tenoretic Oral Product 1182013
    • Tenoretic Pill 1182014
    • Oral Tablet 317541
    • Oral Product 1151131
    • +1 more in this family
  4. Clinical & branded drugs 4

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

Showing up to 8 concepts per family — 16 of 17 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

  • Atenolol 50 MG SCDC · 315438
  • Chlorthalidone 25 MG SCDC · 315655
  • Atenolol / chlorthalidone Oral Tablet SCDF · 370620
  • Atenolol / chlorthalidone Oral Product SCDG · 1154370
  • Atenolol / chlorthalidone Pill SCDG · 1154371

Brand-Name Concepts

📦 FDA Products & Package NDCs

17 products · 21 package NDCs
21 package NDCs map to RxCUI 197383 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
00591-5782-01 100 TABLET in 1 BOTTLE (0591-5782-01) Atenolol and Chlorthalidone Actavis Pharma, Inc. 1992-08-01
00591-5783-01 100 TABLET in 1 BOTTLE (0591-5783-01) Atenolol and Chlorthalidone Actavis Pharma, Inc. 1992-08-01
10135-0733-01 100 TABLET in 1 BOTTLE (10135-733-01) ATENOLOL AND CHLORTHALIDONE MARLEX PHARMACEUTICALS, INC 2022-03-01
10135-0734-01 100 TABLET in 1 BOTTLE (10135-734-01) ATENOLOL AND CHLORTHALIDONE MARLEX PHARMACEUTICALS, INC 2022-03-01
16714-0936-01 100 TABLET in 1 BOTTLE (16714-936-01) Atenolol and Chlorthalidone Northstar Rx LLC. 2019-03-26
16714-0937-01 100 TABLET in 1 BOTTLE (16714-937-01) Atenolol and Chlorthalidone Northstar Rx LLC. 2019-03-26
24979-0256-07 90 TABLET in 1 BOTTLE (24979-256-07) TENORETIC Upsher-Smith Laboratories, LLC 2024-04-25
24979-0257-07 90 TABLET in 1 BOTTLE (24979-257-07) TENORETIC Upsher-Smith Laboratories, LLC 2024-04-25
29300-0400-01 100 TABLET in 1 BOTTLE (29300-400-01) Atenolol and Chlorthalidone Unichem Pharmaceuticals (USA), Inc. 2020-12-14
29300-0400-05 500 TABLET in 1 BOTTLE (29300-400-05) Atenolol and Chlorthalidone Unichem Pharmaceuticals (USA), Inc. 2020-12-14
29300-0401-01 100 TABLET in 1 BOTTLE (29300-401-01) Atenolol and Chlorthalidone Unichem Pharmaceuticals (USA), Inc. 2020-12-14
29300-0401-05 500 TABLET in 1 BOTTLE (29300-401-05) Atenolol and Chlorthalidone Unichem Pharmaceuticals (USA), Inc. 2020-12-14
55289-0993-30 30 TABLET in 1 BOTTLE, PLASTIC (55289-993-30) Atenolol and Chlorthalidone PD-Rx Pharmaceuticals, Inc. 1996-04-24
55289-0993-60 60 TABLET in 1 BOTTLE, PLASTIC (55289-993-60) Atenolol and Chlorthalidone PD-Rx Pharmaceuticals, Inc. 2000-05-08
55289-0993-90 90 TABLET in 1 BOTTLE, PLASTIC (55289-993-90) Atenolol and Chlorthalidone PD-Rx Pharmaceuticals, Inc. 2009-05-18
70710-1167-01 100 TABLET in 1 BOTTLE (70710-1167-1) Atenolol and Chlorthalidone Zydus Pharmaceuticals USA Inc. 2019-03-12
70710-1168-01 100 TABLET in 1 BOTTLE (70710-1168-1) Atenolol and Chlorthalidone Zydus Pharmaceuticals USA Inc. 2019-03-12
70771-1372-01 100 TABLET in 1 BOTTLE (70771-1372-1) Atenolol and Chlorthalidone Zydus Lifesciences Limited 2019-03-12
70771-1373-01 100 TABLET in 1 BOTTLE (70771-1373-1) Atenolol and Chlorthalidone Zydus Lifesciences Limited 2019-03-12
70954-0390-10 100 TABLET in 1 BOTTLE (70954-390-10) Atenolol and Chlorthalidone ANI Pharmaceuticals, Inc. 2021-10-25
70954-0391-10 100 TABLET in 1 BOTTLE (70954-391-10) Atenolol and Chlorthalidone ANI Pharmaceuticals, Inc. 2021-10-25
Observed labelers: Unichem Pharmaceuticals (USA), Inc. (4) · PD-Rx Pharmaceuticals, Inc. (3) · Actavis Pharma, Inc. (2) · ANI Pharmaceuticals, Inc. (2) · MARLEX PHARMACEUTICALS, INC (2) · Northstar Rx LLC. (2) · +3 more — 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.