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Calcium carbonate 420 MG Chewable Tablet — RxCUI 313884

RxNorm drug concept · Semantic clinical drug
RxCUI 313884 Semantic clinical drug · SCD ● Current RxNorm concept 20 FDA products 40 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

RxCUI313884
Official nameCalcium carbonate 420 MG Chewable Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known ascalcium carbonate 420 MG (calcium 168 MG) Chewable Tablet; calcium carbonate 420 MG (Ca 168 MG) Chewable Tablet
FDA products mapped20
Package NDCs mapped40
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 often it's an antacid. It relieves heartburn, acid indigestion, sour stomach and upset stomach tied to those symptoms. A few supplement products have other uses, like bone sup...
  • What is calcium carbonate usually used for?
  • You chew it when symptoms come on. Many labels say to chew or crush the tablets completely and not swallow them whole. The number of tablets varies by product, so read your label o...
  • Many labels say not to use the maximum dose for more than 2 weeks unless a doctor is supervising you. If your symptoms last longer than 2 weeks, check in with your doctor.
📖 Read our full Calcium Carbonate guide →

🕸️ Concept Web — How Calcium carbonate 420 MG Chewable Tablet 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 420 MG Chewable Tablet RxCUI 313884

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.

    • Calcium carbonate 1897
  2. Brand names 2

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

    • Nutralox 1358863
    • Titralac 220327
  3. Dose forms 16

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

    • Calcium carbonate Chewable Tablet 371198
    • Calcium carbonate Chewable Product 1294990
    • Calcium carbonate Oral Product 1154144
    • Calcium carbonate Pill 1154145
    • Calcium carbonate Chewable Tablet [Nutralox] 1358865
    • Calcium carbonate Chewable Tablet [Titralac] 406270
    • Nutralox Chewable Product 1358868
    • Nutralox Oral Product 1358866
    • +8 more in this family
  4. Clinical & branded drugs 5

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

    • Calcium carbonate 420 MG 315539
    • Calcium carbonate 420 MG Chewable Tablet [Nutralox] 1358869
    • Calcium carbonate 420 MG Chewable Tablet [Titralac] 404179
    • Calcium carbonate 420 MG [Nutralox] 1358864
    • Calcium carbonate 420 MG [Titralac] 563222

Showing up to 8 concepts per family — 16 of 24 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 420 MG SCDC · 315539
  • Calcium carbonate Chewable Tablet SCDF · 371198
  • Calcium carbonate Chewable Product SCDG · 1294990
  • Calcium carbonate Oral Product SCDG · 1154144
  • Calcium carbonate Pill SCDG · 1154145

Brand-Name Concepts

  • Calcium carbonate 420 MG Chewable Tablet [Nutralox] SBD · 1358869
  • Calcium carbonate 420 MG Chewable Tablet [Titralac] SBD · 404179
  • Calcium carbonate 420 MG [Nutralox] SBDC · 1358864
  • Calcium carbonate 420 MG [Titralac] SBDC · 563222
  • Calcium carbonate Chewable Tablet [Nutralox] SBDF · 1358865
  • Calcium carbonate Chewable Tablet [Titralac] SBDF · 406270
  • Nutralox Chewable Product SBDG · 1358868
  • Nutralox Oral Product SBDG · 1358866
  • Nutralox Pill SBDG · 1358867
  • Titralac Chewable Product SBDG · 1296407

📦 FDA Products & Package NDCs

20 products · 40 package NDCs
40 package NDCs map to RxCUI 313884 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
00924-0086-00 2 TABLET, CHEWABLE in 1 PACKET (0924-0086-00) PhysiciansCare Antacid Acme United Corporation 2011-11-28
00924-0086-01 50 PACKET in 1 CARTON (0924-0086-01) / 2 TABLET, CHEWABLE i... PhysiciansCare Antacid Acme United Corporation 2011-11-28
00924-0086-02 125 PACKET in 1 CARTON (0924-0086-02) / 2 TABLET, CHEWABLE... PhysiciansCare Antacid Acme United Corporation 2011-11-28
00924-0086-03 10 PACKET in 1 CARTON (0924-0086-03) / 2 TABLET, CHEWABLE i... PhysiciansCare Antacid Acme United Corporation 2011-11-28
00924-0086-04 6 PACKET in 1 CARTON (0924-0086-04) / 2 TABLET, CHEWABLE in... PhysiciansCare Antacid Acme United Corporation 2011-11-28
00924-0086-05 20 PACKET in 1 CARTON (0924-0086-05) / 2 TABLET, CHEWABLE i... PhysiciansCare Antacid Acme United Corporation 2011-11-28
00924-0287-01 20 PACKET in 1 BOX, UNIT-DOSE (0924-0287-01) / 2 TABLET, CH... First Aid Only Antacid Acme United Corporation 2018-03-28
27854-0120-01 50 PACKET in 1 CARTON (27854-120-01) / 2 TABLET, CHEWABLE i... Belmora MELOX AGRURA Belmora, LLC 2019-06-03
47682-0201-13 250 PACKET in 1 BOX (47682-201-13) / 2 TABLET, CHEWABLE in... Medique Alcalak Unifirst First Aid Corporation 2014-06-15
47682-0201-33 50 PACKET in 1 BOX (47682-201-33) / 2 TABLET, CHEWABLE in 1... Medique Alcalak Unifirst First Aid Corporation 2014-06-15
47682-0201-47 100 PACKET in 1 BOX (47682-201-47) / 2 TABLET, CHEWABLE in... Medique Alcalak Unifirst First Aid Corporation 2014-06-15
47682-0201-64 12 PACKET in 1 BOX (47682-201-64) / 2 TABLET, CHEWABLE in 1... Medique Alcalak Unifirst First Aid Corporation 2014-06-15
47682-0201-69 3 PACKET in 1 BOX (47682-201-69) / 2 TABLET, CHEWABLE in 1... Medique Alcalak Unifirst First Aid Corporation 2014-06-15
47682-0201-99 2 TABLET, CHEWABLE in 1 PACKET (47682-201-99) Medique Alcalak Unifirst First Aid Corporation 2014-06-15
47682-0820-13 250 PACKET in 1 BOX (47682-820-13) / 2 TABLET, CHEWABLE in... Medi-First Antacid Unifirst First Aid Corporation 2014-06-15
47682-0820-33 50 PACKET in 1 BOX (47682-820-33) / 2 TABLET, CHEWABLE in 1... Medi-First Antacid Unifirst First Aid Corporation 2014-06-15
47682-0820-48 125 PACKET in 1 BOX (47682-820-48) / 2 TABLET, CHEWABLE in... Medi-First Antacid Unifirst First Aid Corporation 2014-06-15
47682-0820-50 25 PACKET in 1 BOX (47682-820-50) / 2 TABLET, CHEWABLE in 1... Medi-First Antacid Unifirst First Aid Corporation 2019-04-01
47682-0820-99 2 TABLET, CHEWABLE in 1 PACKET (47682-820-99) Medi-First Antacid Unifirst First Aid Corporation 2014-06-15
47682-0920-33 50 PACKET in 1 BOX (47682-920-33) / 2 TABLET, CHEWABLE in 1... Medi-First Plus Antacid Unifirst First Aid Corporation 2014-06-15
47682-0920-48 125 PACKET in 1 BOX (47682-920-48) / 2 TABLET, CHEWABLE in... Medi-First Plus Antacid Unifirst First Aid Corporation 2014-06-15
49314-1013-03 50 PACKET in 1 BOX (49314-1013-3) / 2 TABLET, CHEWABLE in 1... Unishield Antacid Unishield 2021-03-01
50090-2440-00 250 PACKET in 1 BOX, UNIT-DOSE (50090-2440-0) / 2 TABLET, C... NUTRALOX A-S Medication Solutions 2016-07-29
50332-0151-01 500 PACKET in 1 BOX, UNIT-DOSE (50332-0151-1) / 2 TABLET, C... NUTRALOX HART Health 1987-01-20
50332-0151-03 20 PACKET in 1 BOX, UNIT-DOSE (50332-0151-3) / 2 TABLET, CH... NUTRALOX HART Health 1987-01-20
50332-0151-04 50 PACKET in 1 BOX, UNIT-DOSE (50332-0151-4) / 2 TABLET, CH... NUTRALOX HART Health 1987-01-20
50332-0151-07 125 PACKET in 1 BOX, UNIT-DOSE (50332-0151-7) / 2 TABLET, C... NUTRALOX HART Health 1987-01-20
50332-0151-08 250 PACKET in 1 BOX, UNIT-DOSE (50332-0151-8) / 2 TABLET, C... NUTRALOX HART Health 1987-01-20
58228-0091-01 10000 PACKET in 1 BAG (58228-0091-1) / 2 TABLET in 1 PACKET Antacid ProStat First Aid 2025-08-05
68599-1411-03 250 PACKET in 1 BOX (68599-1411-3) / 2 TABLET, CHEWABLE in... McKesson Antacid Calcium Carbonate McKesson Medical-Surgical 2021-07-01
69168-0036-54 22058 TABLET, CHEWABLE in 1 BAG (69168-036-54) Calcium Carbonate Allegiant Health 2000-11-30
69396-0142-01 50 PACKET in 1 BOX (69396-142-01) / 2 TABLET in 1 PACKET Antacid Trifecta Pharmaceuticals USA LLC 2023-08-08
69396-0142-05 10000 PACKET in 1 BAG (69396-142-05) / 2 TABLET in 1 PACKET Antacid Trifecta Pharmaceuticals USA LLC 2023-08-08
69790-0820-33 50 PACKET in 1 BOX (69790-820-33) / 2 TABLET, CHEWABLE in 1... Uline Antacid Uline 2019-10-07
71105-0036-02 50 PACKET in 1 BOX (71105-036-02) / 2 TABLET, CHEWABLE in 1... Redicare Antacid Mint Flavored Redicare LLC 2025-02-27
73408-0921-33 50 PACKET in 1 BOX (73408-921-33) / 2 TABLET, CHEWABLE in 1... Thompson Antacid Thompson 2022-05-02
73598-1142-01 50 PACKET in 1 BOX (73598-1142-1) / 2 TABLET, CHEWABLE in 1... MINT ANTACID 100 JHK Inc dba American Safety & First Aid 2000-02-02
73598-1144-01 125 PACKET in 1 BOX (73598-1144-1) / 2 TABLET, CHEWABLE in... MINT ANTACID 250 JHK Inc dba American Safety & First Aid 2000-02-02
87625-0100-01 1 KIT in 1 KIT (87625-100-01) SurviveX Travel Med Kit Intent Brands LLC 2026-05-07
87625-0200-01 1 KIT in 1 KIT (87625-200-01) SurviveX Travel Med MOD Intent Brands LLC 2026-05-18
Observed labelers: Unifirst First Aid Corporation (13) · Acme United Corporation (7) · HART Health (5) · Intent Brands LLC (2) · JHK Inc dba American Safety & First Aid (2) · Trifecta Pharmaceuticals USA LLC (2) · +9 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.