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Brand-name prescription medicine

Nityr

Generic name: Nitisinone

FDA application holder: Cycle

Official data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the NDC Directory, Drugs@FDA, the official labels and recall reports; pharmacy costs come from the Centers for Medicare & Medicaid Services (CMS). Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or switch any medicine, including a switch between a brand and a generic.

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 Nityr?
Nityr is a brand name of Nitisinone, a prescription medicine. The FDA NDC Directory lists 3 Nityr products in 3 strengths and forms.
Who makes Nityr?
Cycle holds the FDA application for Nityr (NDA209449, approved July 26, 2017).
Is there a generic or store brand of Nityr?
Yes. The FDA NDC Directory lists 1 other product with the same active ingredients, strength and form as a Nityr product. Ask your pharmacist whether one is right for you.
Has Nityr been recalled?
No recall linked to Nityr products (by their NDC code or label) appears in the FDA enforcement reports we use.

What Nityr is

Each Nityr product as listed in the FDA NDC Directory, by active ingredient, strength and form, with its official label. “Same medicine, other names” counts the other products with exactly the same active ingredients, strength and form (generic versions, store brands and other brands); inactive ingredients can differ.

Nitisinone · prescription medicine

Strength and formProduct namesSame medicine, other namesLabel
nitisinone 10 mg
tablet (oral)
Nityr None listed —
nitisinone 2 mg
tablet (oral)
Nityr 1 product, 1 company —
nitisinone 5 mg
tablet (oral)
Nityr None listed —

Its page lists every product and company, the FDA label’s uses and boxed warning, approvals, shortages and recalls: Nitisinone →

FDA approval

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
FDA applications of Nityr products (Drugs@FDA)
ApplicationHolderFirst approvedProducts
NDA209449CycleJuly 26, 20173

Companies that list Nityr

The company named on the package (holder, repackager or distributor), as listed in the FDA NDC Directory, with its number of Nityr products.

Recalls

No recall linked to Nityr products (by their NDC code or label) appears in the FDA enforcement reports.

Sources

  1. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  2. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drug labeling (SPL, 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. NADAC (National Average Drug Acquisition Cost) 2026 — Centers for Medicare & Medicaid Services (CMS), data.medicaid.gov, list of November 4, 2026, retrieved November 7, 2026

Which names get a brand page: a name the NDC Directory lists for a medicine, held by one company (the FDA application holder, or the company named on most of its products), that is not just a description, and that is not the only product of its medicine.

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