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Calcium carbonate 500 MG Chewable Tablet [Alkums] — RxCUI 210111

RxNorm drug concept · Semantic branded drug
RxCUI 210111 Semantic branded drug · SBD ● Current RxNorm concept 1 FDA product 1 package NDC 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

RxCUI210111
Official nameCalcium carbonate 500 MG Chewable Tablet [Alkums]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asAlkums 500 MG (calcium 200 MG) Chewable Tablet; Alkums 500 MG Chewable Tablet
FDA products mapped1
Package NDCs mapped1
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 500 MG Chewable Tablet [Alkums... 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 500 MG Chewable Tablet [Alkums] RxCUI 210111

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 1

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

    • Alkums 215115
  3. Dose forms 12

    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 [Alkums] 369637
    • Alkums Chewable Product 1296695
    • Alkums Oral Product 1176194
    • Alkums Pill 1176195
    • +4 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 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

  • Calcium carbonate 500 MG Chewable Tablet SCD · 308907
  • Calcium carbonate 500 MG SCDC · 315541
  • 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 500 MG [Alkums] SBDC · 570658
  • Calcium carbonate Chewable Tablet [Alkums] SBDF · 369637
  • Alkums Chewable Product SBDG · 1296695
  • Alkums Oral Product SBDG · 1176194
  • Alkums Pill SBDG · 1176195
  • Alkums BN · 215115

📦 FDA Products & Package NDCs

1 product · 1 package NDC
1 package NDC map to RxCUI 210111 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
53041-0126-17 150 TABLET, CHEWABLE in 1 BOTTLE (53041-126-17) Alkums antacid Guardian Drug Company 2012-02-01
Observed labelers: Guardian Drug Company (1) — 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.