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Primidone 125 MG Oral Tablet — RxCUI 328176

RxNorm drug concept · Semantic clinical drug
RxCUI 328176 Semantic clinical drug · SCD ● Current RxNorm concept 4 FDA products 11 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

RxCUI328176
Official namePrimidone 125 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped4
Package NDCs mapped11
Reported Medicaid activity (SDUD)16,200 prescriptions · 38 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 Primidone: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Primidone helps control certain epileptic seizures: grand mal, psychomotor, and focal seizures. You can take it alone or with other seizure medicines. It may also help grand mal se...
  • You swallow the tablets by mouth. Your doctor will usually start you on a small bedtime dose and increase it over about 10 days. After that you take it in divided doses through the...
  • Early on, many people feel dizzy or unsteady. This often fades with time or a lower starting dose. Nausea, tiredness, drowsiness, double vision, and irritability can also happen. T...
  • No. Stopping suddenly can trigger status epilepticus, a prolonged and dangerous seizure. If you want to stop or change your dose, talk to your doctor first so it can be done safely...
📖 Read our full Primidone guide →

🕸️ Concept Web — How Primidone 125 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 Primidone 125 MG Oral Tablet RxCUI 328176

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.

    • Primidone 8691
  2. Dose forms 6

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

    • Primidone Oral Tablet 369489
    • Primidone Oral Product 1161718
    • Primidone Pill 1161719
    • 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.

    • Primidone 125 MG 334430

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

  • Primidone 125 MG SCDC · 334430
  • Primidone Oral Tablet SCDF · 369489
  • Primidone Oral Product SCDG · 1161718
  • Primidone Pill SCDG · 1161719

📦 FDA Products & Package NDCs

4 products · 11 package NDCs
11 package NDCs map to RxCUI 328176 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
52817-0117-10 100 TABLET in 1 BOTTLE (52817-117-10) Primidone TruPharma LLC. 2023-02-21
52817-0117-30 30 TABLET in 1 BOTTLE (52817-117-30) Primidone TruPharma LLC. 2023-02-21
52817-0117-50 500 TABLET in 1 BOTTLE (52817-117-50) Primidone TruPharma LLC. 2023-02-21
72888-0045-01 100 TABLET in 1 BOTTLE (72888-045-01) Primidone Advagen Pharma Limited 2022-06-28
72888-0045-05 500 TABLET in 1 BOTTLE (72888-045-05) Primidone Advagen Pharma Limited 2022-06-28
72888-0046-01 100 TABLET in 1 BOTTLE (72888-046-01) Primidone Advagen Pharma Limited 2022-06-28
72888-0046-05 500 TABLET in 1 BOTTLE (72888-046-05) Primidone Advagen Pharma Limited 2022-06-28
72888-0160-00 1000 TABLET in 1 BOTTLE (72888-160-00) Primidone Advagen Pharma Limited 2022-06-28
72888-0160-01 100 TABLET in 1 BOTTLE (72888-160-01) Primidone Advagen Pharma Limited 2022-06-28
72888-0160-05 500 TABLET in 1 BOTTLE (72888-160-05) Primidone Advagen Pharma Limited 2022-06-28
72888-0160-30 30 TABLET in 1 BOTTLE (72888-160-30) Primidone Advagen Pharma Limited 2022-06-28
Observed labelers: Advagen Pharma Limited (8) · TruPharma LLC. (3) — 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.