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Prescription medicine

Nelfinavir mesylate

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Nelfinavir mesylate used for?
The FDA-approved label (Viracept, Agouron, December 11, 2025) says: “VIRACEPT in combination with other antiretroviral agents is indicated for the treatment of HIV-1 infection. VIRACEPT is a protease inhibitor indicated for the treatment of HIV-1 infection in combination with other antiretroviral agents.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Nelfinavir mesylate have a boxed warning?
No. None of the 1 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Nelfinavir mesylate?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Nelfinavir mesylate been recalled?
FDA enforcement reports list 1 recall of products of this medicine; the newest started July 8, 2014 (Class III). A recall usually concerns specific lots, not every product.
Who makes Nelfinavir mesylate?
1 company lists prescription products of Nelfinavir mesylate in the FDA NDC Directory, including Agouron.

What Nelfinavir mesylate is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

VIRACEPT in combination with other antiretroviral agents is indicated for the treatment of HIV-1 infection. VIRACEPT is a protease inhibitor indicated for the treatment of HIV-1 infection in combination with other antiretroviral agents.

— FDA label: Viracept, Agouron, effective December 11, 2025. Read the full label on DailyMed →

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

Forms and how it is given

Dosage formsTablet, film coated
RouteOral
Prescription products2 in the FDA NDC Directory
Brand namesViracept

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA020779
VIRACEPT
Agouron PharmsMarch 14, 1997 55, latest March 24, 2021
2021: Labeling · 2016: Labeling · 2015: Labeling
NDA021503
VIRACEPT
Agouron PharmsApril 30, 2003 17, latest March 24, 2021
2021: Labeling · 2016: Labeling · 2015: Labeling

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

From FDA enforcement reports, matched by the product’s NDC code. A recall usually covers specific lots only: check the lot number on your package and ask your pharmacist. Do not stop a medicine on your own.

  1. July 8, 2014 · Class III · Terminated · D-1443-2014

    Labeling: Incorrect or missing lot and or Exp Date: The bottles were labeled with an incorrect expiry date 11/2016. The correct expiry date is 09/2016.

    VIRACEPT (R) (nelfinavir mesylate) Tablets, 625 mg, 120-count bottle, Rx only, Manufactured by: Agouron Pharmaceuticals, Inc. A Pfizer Company, Distributed by: ViV Healthcare Company, Research Triangle Park, NC 27709 NDC — Pfizer Inc.

What do the recall classes mean?

Class I: The most serious type: there is a reasonable chance that using the product will cause serious health problems or death.
Class II: Using the product may cause temporary or medically reversible health problems, or the chance of serious problems is remote.
Class III: Using the product is not likely to cause health problems (for example a labeling or packaging issue).

Official identifiers

RxCUI (RxNorm)212118, 311924, 403978, 542370
SPL set ID of the quoted labele72c2bc6-9462-4a2e-8e1d-b97592376cbd
FDA labels (SPL)1
FDA applicationsNDA020779, NDA021503
Active ingredients (FDA)NELFINAVIR

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Viracept, Agouron, effective December 11, 2025; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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