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Nelfinavir 250 MG Oral Tablet — RxCUI 311924

RxNorm drug concept · Semantic clinical drug
RxCUI 311924 Semantic clinical drug · SCD ● Current RxNorm concept 2 FDA products 2 package NDCs Snapshot Jul 14, 2026

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

RxCUI311924
Official nameNelfinavir 250 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asnelfinavir mesylate 250 MG Oral Tablet
FDA products mapped2
Package NDCs mapped2
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Nelfinavir: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Viracept (nelfinavir) is used to treat HIV-1 infection. It belongs to a class called protease inhibitors, which work by blocking an enzyme HIV needs to replicate. It's always used...
  • Yes, every time. Food — especially a meal with some calories and fat — dramatically increases how much nelfinavir your body absorbs. Taking it on an empty stomach means much less m...
  • Do I really need to take it with food every time?
  • Diarrhea is by far the most common side effect — usually mild to moderate and manageable. Nausea, gas, and rash also occur. These are worth mentioning at your next appointment but...
📖 Read our full Nelfinavir guide →

🕸️ Concept Web — How Nelfinavir 250 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 Nelfinavir 250 MG Oral Tablet RxCUI 311924

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.

    • Nelfinavir 134527
  2. Brand names 1

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

    • Viracept 134526
  3. Dose forms 9

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

    • Nelfinavir Oral Tablet 373015
    • Nelfinavir Oral Product 1157536
    • Nelfinavir Pill 1157537
    • Nelfinavir Oral Tablet [Viracept] 368418
    • Viracept Oral Product 1186803
    • Viracept Pill 1186804
    • Oral Tablet 317541
    • Oral Product 1151131
    • +1 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 14 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

  • Nelfinavir 250 MG SCDC · 330837
  • Nelfinavir Oral Tablet SCDF · 373015
  • Nelfinavir Oral Product SCDG · 1157536
  • Nelfinavir Pill SCDG · 1157537

Brand-Name Concepts

  • Nelfinavir 250 MG Oral Tablet [Viracept] SBD · 212118
  • Nelfinavir 250 MG [Viracept] SBDC · 572422
  • Nelfinavir Oral Tablet [Viracept] SBDF · 368418
  • Viracept Oral Product SBDG · 1186803
  • Viracept Pill SBDG · 1186804
  • Viracept BN · 134526

📦 FDA Products & Package NDCs

2 products · 2 package NDCs
2 package NDCs map to RxCUI 311924 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
63010-0010-30 300 TABLET, FILM COATED in 1 BOTTLE (63010-010-30) VIRACEPT AGOURON 1997-03-14
63010-0027-70 120 TABLET, FILM COATED in 1 BOTTLE (63010-027-70) VIRACEPT AGOURON 2003-04-30
Observed labelers: AGOURON (2) — 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.