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Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet — RxCUI 283641

RxNorm drug concept · Semantic clinical drug
RxCUI 283641 Semantic clinical drug · SCD ● Current RxNorm concept 51 FDA products 84 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

RxCUI283641
Official nameCalcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known ascalcium carbonate 800 MG / famotidine 10 MG / milk of magnesia 165 MG Chewable Tablet
FDA products mapped51
Package NDCs mapped84
Reported Medicaid activity (SDUD)330 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 Calcium Carbonate: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Most people use it as a fast-acting antacid to get quick relief from heartburn, acid indigestion, sour stomach, or an upset stomach. You'll find it in brands like Tums, Rolaids, an...
  • What is calcium carbonate actually used for?
  • Don't use the maximum daily dose for more than 2 weeks in a row without talking to a doctor first. If your heartburn or stomach symptoms keep coming back or don't improve, that's y...
  • How long can I keep taking this before I should see a doctor?
📖 Read our full Calcium Carbonate guide →

🕸️ Concept Web — How Calcium carbonate 800 MG / famotidine 10 MG / ma... 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 Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet RxCUI 283641

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

  1. Ingredients 4

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

    • Calcium carbonate 1897
    • Famotidine 4278
    • Magnesium hydroxide 6581
    • Calcium carbonate / famotidine / magnesium hydroxide 691005
  2. Brand names 3

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

    • Duo Fusion 1744392
    • Pepcid Complete 284831
    • Tums Dual Action 867494
  3. Dose forms 20

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

    • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet 374812
    • Calcium carbonate / famotidine / magnesium hydroxide Chewable Product 1294788
    • Calcium carbonate / famotidine / magnesium hydroxide Oral Product 1153291
    • Calcium carbonate / famotidine / magnesium hydroxide Pill 1153292
    • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet [Duo Fusion] 1744394
    • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet [Pepcid Complete] 369738
    • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet [Tums Dual Action] 867496
    • Duo Fusion Chewable Product 1744397
    • +12 more in this family
  4. Clinical & branded drugs 9

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

    • Calcium carbonate 800 MG 332740
    • Famotidine 10 MG 315919
    • Magnesium hydroxide 165 MG 330961
    • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet [Duo Fusion] 1744398
    • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet [Pepcid Complete] 688892
    • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet [Tums Dual Action] 867497
    • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG [Duo Fusion] 1744393
    • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG [Pepcid Complete] 575076
    • +1 more in this family

Showing up to 8 concepts per family — 23 of 36 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

  • Calcium carbonate 800 MG SCDC · 332740
  • Famotidine 10 MG SCDC · 315919
  • Magnesium hydroxide 165 MG SCDC · 330961
  • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet SCDF · 374812
  • Calcium carbonate / famotidine / magnesium hydroxide Chewable Product SCDG · 1294788
  • Calcium carbonate / famotidine / magnesium hydroxide Oral Product SCDG · 1153291
  • Calcium carbonate / famotidine / magnesium hydroxide Pill SCDG · 1153292

Brand-Name Concepts

  • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet [Pepcid Complete] SBD · 688892
  • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet [Duo Fusion] SBD · 1744398
  • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG Chewable Tablet [Tums Dual Action] SBD · 867497
  • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG [Duo Fusion] SBDC · 1744393
  • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG [Pepcid Complete] SBDC · 575076
  • Calcium carbonate 800 MG / famotidine 10 MG / magnesium hydroxide 165 MG [Tums Dual Action] SBDC · 867495
  • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet [Duo Fusion] SBDF · 1744394
  • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet [Pepcid Complete] SBDF · 369738
  • Calcium carbonate / famotidine / magnesium hydroxide Chewable Tablet [Tums Dual Action] SBDF · 867496
  • Duo Fusion Chewable Product SBDG · 1744397

📦 FDA Products & Package NDCs

51 products · 84 package NDCs
84 package NDCs map to RxCUI 283641 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
42507-0321-50 50 TABLET, CHEWABLE in 1 BOTTLE (42507-321-50) complete dual action HyVee Inc 2026-02-25
46122-0345-63 25 TABLET, CHEWABLE in 1 BOTTLE (46122-345-63) Good Neighbor Pharmacy Dual Action Complete Amerisource Bergen 2026-03-10
49035-0321-63 25 TABLET, CHEWABLE in 1 BOTTLE (49035-321-63) Equate Acid Reducer Complete Wal-Mart Stores Inc 2008-08-08
49035-0321-71 50 TABLET, CHEWABLE in 1 BOTTLE (49035-321-71) Equate Acid Reducer Complete Wal-Mart Stores Inc 2011-09-13
49035-0546-63 25 TABLET, CHEWABLE in 1 BOTTLE (49035-546-63) Equate Acid Reducer Complete Wal-Mart Stores Inc 2008-08-08
49035-0546-71 50 TABLET, CHEWABLE in 1 BOTTLE (49035-546-71) Equate Acid Reducer Complete Wal-Mart Stores Inc 2011-07-13
50269-0016-01 6 BLISTER PACK in 1 BOX (50269-016-01) / 1 TABLET, CHEWABLE... Pepcid Complete JC World Bell Wholesale Co., Inc. 2020-09-01
50269-0016-02 6 BLISTER PACK in 1 BOX (50269-016-02) / 2 TABLET, CHEWABLE... Pepcid Complete JC World Bell Wholesale Co., Inc. 2020-09-01
50269-0016-25 25 POUCH in 1 BOX (50269-016-25) / 1 TABLET, CHEWABLE in 1... Pepcid Complete JC World Bell Wholesale Co., Inc. 2020-09-01
51316-0588-63 25 TABLET, CHEWABLE in 1 BOTTLE (51316-588-63) COMPLETE ACID REDUCER CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED 2026-04-06
53209-4001-02 25 BLISTER PACK in 1 PACKET (53209-4001-2) / 1 TABLET, CHEW... Pepcid Complete Morning Star OTC 2025-06-19
55910-0808-63 25 TABLET, CHEWABLE in 1 BOTTLE (55910-808-63) DG Health acid reducer complete Dolgencorp, LLC 2018-12-27
56062-0263-63 25 TABLET, CHEWABLE in 1 BOTTLE (56062-263-63) dual action complete Publix Super Markets Inc 2018-11-06
56062-0263-71 50 TABLET, CHEWABLE in 1 BOTTLE (56062-263-71) dual action complete Publix Super Markets Inc 2018-11-06
59779-0738-63 25 TABLET, CHEWABLE in 1 BOTTLE (59779-738-63) Acid Reducer Plus Antacid CVS Pharmacy 2016-02-11
59779-0738-71 50 TABLET, CHEWABLE in 1 BOTTLE (59779-738-71) Acid Reducer Plus Antacid CVS Pharmacy 2016-02-11
59779-0862-63 25 TABLET, CHEWABLE in 1 BOTTLE (59779-862-63) Acid Reducer Plus Antacid CVS Pharmacy 2016-02-11
59779-0862-71 50 TABLET, CHEWABLE in 1 BOTTLE (59779-862-71) Acid Reducer Plus Antacid CVS Pharmacy 2016-02-11
66715-6422-07 25 POUCH in 1 BOX, UNIT-DOSE (66715-6422-7) / 1 TABLET, CHE... Pepcid Complete Lil' Drug Store Products, Inc. 2022-04-19
66715-6422-08 30 POUCH in 1 BOX, UNIT-DOSE (66715-6422-8) / 1 TABLET, CHE... Pepcid Complete Lil' Drug Store Products, Inc. 2022-04-19
66715-6522-02 2 POUCH in 1 CARTON (66715-6522-2) / 1 TABLET, CHEWABLE in... Pepcid Complete, TRAVEL BASIX Lil' Drug Store Products, Inc. 2022-05-06
66715-7822-02 2 POUCH in 1 CARTON (66715-7822-2) / 1 TABLET, CHEWABLE in... Pepcid Complete, TRAVEL BASIX Lil' Drug Store Products, Inc. 2022-11-29
66715-9822-02 2 POUCH in 1 CARTON (66715-9822-2) / 1 TABLET, CHEWABLE in... Pepcid Complete Lil' Drug Store Products, Inc. 2020-07-17
66715-9822-03 3 POUCH in 1 CARTON (66715-9822-3) / 1 TABLET, CHEWABLE in... Pepcid Complete Lil' Drug Store Products, Inc. 2022-04-07
67751-0202-01 1 POUCH in 1 CARTON (67751-202-01) / 1 TABLET, CHEWABLE in... Pepcid Complete Navajo Manufacturing Company Inc 2020-08-06
67751-0202-02 2 POUCH in 1 CARTON (67751-202-02) / 1 TABLET, CHEWABLE in... Pepcid Complete Navajo Manufacturing Company Inc 2020-08-06
70000-0416-01 25 TABLET, CHEWABLE in 1 BOTTLE (70000-0416-1) leader acid reducer complete Cardinal Health 110, LLC. dba Leader 2018-09-28
70000-0582-01 50 TABLET, CHEWABLE in 1 BOTTLE (70000-0582-1) leader acid reducer complete Cardinal Health 110, LLC. dba Leader 2021-12-14
70264-0034-01 50 TABLET, CHEWABLE in 1 CARTON (70264-034-01) Pepcid Complete R J General Corporation 2022-12-28
70677-1100-01 25 TABLET, CHEWABLE in 1 BOTTLE (70677-1100-1) foster and thrive acid reducer antacid Strategic Sourcing Services LLC 2023-10-31
72288-0321-71 50 TABLET, CHEWABLE in 1 BOTTLE (72288-321-71) Basic Care Dual Action Complete Amazon.com Services LLC 2020-06-13
73097-0017-25 25 POUCH in 1 CARTON (73097-017-25) / 1 TABLET, CHEWABLE in... Pepcid Complete Savings Distributors LLC 2026-06-01
82442-0321-71 50 TABLET, CHEWABLE in 1 BOTTLE (82442-321-71) UP AND UP DUAL ACTION ACID REDUCER ANTACID Target Corporation 2025-01-08
82442-0546-71 50 TABLET, CHEWABLE in 1 BOTTLE (82442-546-71) Up and Up Dual Action Acid Reducer and Antacid Target Corporation 2025-09-02
Observed labelers: Kenvue Brands LLC (17) · Safeway (8) · Lil' Drug Store Products, Inc. (7) · CVS Pharmacy (4) · L. Perrigo Company (4) · Wal-Mart Stores Inc (4) · +22 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

💲 Pricing (NADAC)

NADAC is CMS's National Average Drug Acquisition Cost — roughly what pharmacies pay to buy the drug. It is an acquisition benchmark, not your copay.
Per ea · median
$0.2602
Range $0.2602–$0.2602 · middle 50% $0.2602–$0.2602 · 4 NDCs
Latest compatible distributions from the CMS NADAC file · dataset watermark 2026-07-10. Prices vary by package and pharmacy; a distribution is shown instead of one misleading number. Rows the dataset is silent on carry no price. No zero-cost conclusion should be drawn.

🗃️ 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.