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Nitrofurantoin, macrocrystals 25 MG / nitrofurantoin, monohydrate 75 MG Oral Capsule [Macr... — RxCUI 539712

RxNorm drug concept · Semantic branded drug
RxCUI 539712 Semantic branded drug · SBD ● 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

RxCUI539712
Official nameNitrofurantoin, macrocrystals 25 MG / nitrofurantoin, monohydrate 75 MG Oral Capsule [Macrobid]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asMacrobid 100 MG (as nitrofurantoin macrocrystals 25 MG / nitrofurantoin monohydrate 75 MG) Oral Capsule; Macrobid 100 MG Oral Capsule
FDA products mapped2
Package NDCs mapped2
Reported Medicaid activity (SDUD)30 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 Nitrofurantoin: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Nitrofurantoin is an antibiotic specifically for urinary tract infections — think bladder infections, not kidney infections. It works by concentrating in your urine where it kills...
  • What exactly is nitrofurantoin used for?
  • Yes, every time. Taking nitrofurantoin with food isn't just about avoiding an upset stomach — food actually helps your body absorb more of the medication, so it works better. Even...
  • Do I really need to take it with food every single time?
📖 Read our full Nitrofurantoin guide →

🕸️ Concept Web — How Nitrofurantoin, macrocrystals 25 MG / nitrofuran... 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 Nitrofurantoin, macrocrystals 25 MG / nitrofurantoin, monohydrate 75 MG Oral Capsule [Macrobid] RxCUI 539712

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.

    • Nitrofurantoin 7454
    • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate 466542
    • Nitrofurantoin, macrocrystals 235559
    • Nitrofurantoin, monohydrate 221129
  2. Brand names 1

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

    • Macrobid 152001
  3. Dose forms 13

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

    • Nitrofurantoin Oral Capsule 498905
    • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Oral Capsule 2648932
    • Nitrofurantoin Oral Product 1159263
    • Nitrofurantoin Pill 1159264
    • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Oral Product 2662047
    • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Pill 2660043
    • Nitrofurantoin Oral Capsule [Macrobid] 366504
    • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Oral Capsule [Macrobid] 2654683
    • +5 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 — 17 of 22 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

  • Nitrofurantoin, macrocrystals 25 MG / nitrofurantoin, monohydrate 75 MG Oral Capsule SCD · 1648755
  • Nitrofurantoin, macrocrystals 25 MG SCDC · 1648753
  • Nitrofurantoin, monohydrate 75 MG SCDC · 1648754
  • Nitrofurantoin Oral Capsule SCDF · 498905
  • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Oral Capsule SCDFP · 2648932
  • Nitrofurantoin Oral Product SCDG · 1159263
  • Nitrofurantoin Pill SCDG · 1159264
  • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Oral Product SCDGP · 2662047
  • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Pill SCDGP · 2660043

Brand-Name Concepts

  • Nitrofurantoin, macrocrystals 25 MG / nitrofurantoin, monohydrate 75 MG [Macrobid] SBDC · 1648756
  • Nitrofurantoin Oral Capsule [Macrobid] SBDF · 366504
  • Nitrofurantoin, macrocrystals / nitrofurantoin, monohydrate Oral Capsule [Macrobid] SBDFP · 2654683
  • Macrobid Oral Product SBDG · 1177414
  • Macrobid Pill SBDG · 1177415
  • Macrobid BN · 152001

📦 FDA Products & Package NDCs

2 products · 2 package NDCs
2 package NDCs map to RxCUI 539712 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
52427-0285-01 100 CAPSULE in 1 BOTTLE (52427-285-01) Macrobid Almatica Pharma LLC 2011-05-31
70518-2531-00 10 CAPSULE in 1 BOTTLE, PLASTIC (70518-2531-0) Macrobid REMEDYREPACK INC. 2020-01-08
Observed labelers: Almatica Pharma LLC (1) · REMEDYREPACK INC. (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.