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Metronidazole 500 MG Oral Tablet — RxCUI 311681

RxNorm drug concept · Semantic clinical drug
RxCUI 311681 Semantic clinical drug · SCD ● Current RxNorm concept 89 FDA products 290 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

RxCUI311681
Official nameMetronidazole 500 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped89
Package NDCs mapped290
Reported Medicaid activity (SDUD)2,450,440 prescriptions · 52 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 Metronidazole Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Metronidazole Injection is an IV antibiotic for serious infections caused by anaerobic bacteria, such as abdominal, bloodstream, lung, bone, brain or gynecologic infections. It can...
  • It's given through a vein as a slow drip, usually by your care team. You'll often get a first larger dose and then repeat doses about every six hours. Your doctor may later switch...
  • The more common ones are nausea, vomiting, diarrhea, stomach cramps, a metallic taste and headache. Some people also have irritation at the IV site. Let your nurse know if it bothe...
  • Tell your team right away about confusion, dizziness, trouble with balance or speech, seizures, or numbness or tingling in your hands or feet. Also report a severe rash, blistering...
📖 Read our full Metronidazole Injection guide →

🕸️ Concept Web — How Metronidazole 500 MG Oral 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 Metronidazole 500 MG Oral Tablet RxCUI 311681

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.

    • Metronidazole 6922
  2. Dose forms 6

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

    • Metronidazole Oral Tablet 372897
    • Metronidazole Oral Product 1164083
    • Metronidazole Pill 1164084
    • Oral Tablet 317541
    • Oral Product 1151131
    • Pill 1151133
  3. Clinical & branded drugs 1

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

    • Metronidazole 500 MG 317428

Showing up to 8 concepts per family — 8 of 8 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

  • Metronidazole 500 MG SCDC · 317428
  • Metronidazole Oral Tablet SCDF · 372897
  • Metronidazole Oral Product SCDG · 1164083
  • Metronidazole Pill SCDG · 1164084

📦 FDA Products & Package NDCs

89 products · 290 package NDCs
290 package NDCs map to RxCUI 311681 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
00904-7126-61 100 BLISTER PACK in 1 CARTON (0904-7126-61) / 1 TABLET in 1... Metronidazole Major Pharmaceuticals 2017-11-29
00904-7156-61 100 BLISTER PACK in 1 CARTON (0904-7156-61) / 1 TABLET in 1... Metronidazole Major Pharmaceuticals 2017-11-29
15955-0388-01 100 TABLET in 1 BOTTLE (15955-388-01) Metronidazole Alembic Labs LLC 2019-06-26
15955-0388-05 500 TABLET in 1 BOTTLE (15955-388-05) Metronidazole Alembic Labs LLC 2019-06-26
15955-0389-01 100 TABLET in 1 BOTTLE (15955-389-01) Metronidazole Alembic Labs LLC 2019-06-26
15955-0389-05 500 TABLET in 1 BOTTLE (15955-389-05) Metronidazole Alembic Labs LLC 2019-06-26
16571-0664-01 100 TABLET in 1 BOTTLE (16571-664-01) Metronidazole Rising Pharma Holdings, Inc. 2015-05-29
16571-0664-50 500 TABLET in 1 BOTTLE (16571-664-50) Metronidazole Rising Pharma Holdings, Inc. 2015-05-29
16571-0665-01 100 TABLET in 1 BOTTLE (16571-665-01) Metronidazole Rising Pharma Holdings, Inc. 2015-05-29
16571-0665-50 500 TABLET in 1 BOTTLE (16571-665-50) Metronidazole Rising Pharma Holdings, Inc. 2015-05-29
23155-0651-01 100 TABLET in 1 BOTTLE, PLASTIC (23155-651-01) Metronidazole Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. 2017-11-29
23155-0651-05 500 TABLET in 1 BOTTLE, PLASTIC (23155-651-05) Metronidazole Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. 2017-11-29
23155-0652-01 100 TABLET in 1 BOTTLE, PLASTIC (23155-652-01) Metronidazole Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. 2017-11-29
23155-0652-05 500 TABLET in 1 BOTTLE, PLASTIC (23155-652-05) Metronidazole Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. 2017-11-29
29300-0226-01 100 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-226-01) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0226-05 500 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-226-05) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0226-10 1000 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-226-10) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0226-46 50 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-226-46) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0226-52 250 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-226-52) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0227-01 100 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-227-01) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0227-05 500 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-227-05) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0227-10 1000 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-227-10) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
29300-0227-46 50 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (29300-227-46) Metronidazole Unichem Pharmaceuticals (USA), Inc. 2014-06-01
46708-0428-30 30 TABLET in 1 BOTTLE (46708-428-30) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0428-31 100 TABLET in 1 BOTTLE (46708-428-31) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0428-50 50 TABLET in 1 BOTTLE (46708-428-50) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0428-61 250 TABLET in 1 BOTTLE (46708-428-61) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0428-71 500 TABLET in 1 BOTTLE (46708-428-71) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0428-91 1000 TABLET in 1 BOTTLE (46708-428-91) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0429-30 30 TABLET in 1 BOTTLE (46708-429-30) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0429-31 100 TABLET in 1 BOTTLE (46708-429-31) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0429-50 50 TABLET in 1 BOTTLE (46708-429-50) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0429-71 500 TABLET in 1 BOTTLE (46708-429-71) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
46708-0429-91 1000 TABLET in 1 BOTTLE (46708-429-91) Metronidazole Alembic Pharmaceuticals Limited 2016-12-01
50090-0211-00 4 TABLET, FILM COATED in 1 BOTTLE (50090-0211-0) Metronidazole A-S Medication Solutions 2016-06-21
50090-0211-03 14 TABLET, FILM COATED in 1 BOTTLE (50090-0211-3) Metronidazole A-S Medication Solutions 2014-11-28
50090-0211-04 21 TABLET, FILM COATED in 1 BOTTLE (50090-0211-4) Metronidazole A-S Medication Solutions 2014-11-28
50090-0211-06 28 TABLET, FILM COATED in 1 BOTTLE (50090-0211-6) Metronidazole A-S Medication Solutions 2014-11-28
50090-0211-09 20 TABLET, FILM COATED in 1 BOTTLE (50090-0211-9) Metronidazole A-S Medication Solutions 2014-11-28
50090-0212-01 30 TABLET, FILM COATED in 1 BOTTLE (50090-0212-1) Metronidazole A-S Medication Solutions 2016-06-21
50090-0212-02 42 TABLET, FILM COATED in 1 BOTTLE (50090-0212-2) Metronidazole A-S Medication Solutions 2014-11-28
50090-0213-00 14 TABLET, FILM COATED in 1 BOTTLE (50090-0213-0) Metronidazole A-S Medication Solutions 2014-11-28
50111-0333-01 100 TABLET in 1 BOTTLE (50111-333-01) Metronidazole Teva Pharmaceuticals USA, Inc. 1990-09-30
50111-0333-02 500 TABLET in 1 BOTTLE (50111-333-02) Metronidazole Teva Pharmaceuticals USA, Inc. 1990-09-30
50111-0333-06 250 TABLET in 1 BOTTLE (50111-333-06) Metronidazole Teva Pharmaceuticals USA, Inc. 1990-09-30
50111-0334-01 100 TABLET in 1 BOTTLE (50111-334-01) Metronidazole Teva Pharmaceuticals USA, Inc. 1990-09-30
50111-0334-02 500 TABLET in 1 BOTTLE (50111-334-02) Metronidazole Teva Pharmaceuticals USA, Inc. 1990-09-30
50268-0534-15 50 BLISTER PACK in 1 BOX (50268-534-15) / 1 TABLET in 1 BLI... Metronidazole AvPAK 2019-10-30
50268-0535-15 50 BLISTER PACK in 1 BOX (50268-535-15) / 1 TABLET in 1 BLI... Metronidazole AvPAK 2019-10-30
51407-0372-01 100 TABLET in 1 BOTTLE (51407-372-01) metronidazole Golden State Medical Supply, Inc. 2020-03-31
Observed labelers: Bryant Ranch Prepack (60) · REMEDYREPACK INC. (21) · Asclemed USA, Inc. (14) · NuCare Pharmaceuticals,Inc. (13) · Alembic Pharmaceuticals Inc. (11) · Alembic Pharmaceuticals Limited (11) · +34 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.