Trisenox is a brand name of Arsenic trioxide, a prescription medicine. The FDA NDC Directory lists 1 Trisenox product in 1 strength and form.

Cephalon holds the FDA application for Trisenox (NDA021248, approved September 25, 2000).

Is there a generic or store brand of Trisenox?

Yes. The FDA NDC Directory lists 8 other products with the same active ingredients, strength and form as a Trisenox product, 8 of them generic. Ask your pharmacist whether one is right for you.

Trisenox (Arsenic trioxide): maker, FDA approval and generic versions

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 Trisenox?: Trisenox is a brand name of Arsenic trioxide, a prescription medicine. The FDA NDC Directory lists 1 Trisenox product in 1 strength and form.
Who makes Trisenox?: Cephalon holds the FDA application for Trisenox (NDA021248, approved September 25, 2000).
Is there a generic or store brand of Trisenox?: Yes. The FDA NDC Directory lists 8 other products with the same active ingredients, strength and form as a Trisenox product, 8 of them generic. Ask your pharmacist whether one is right for you.
Has Trisenox been recalled?: No recall linked to Trisenox products (by their NDC code or label) appears in the FDA enforcement reports we use.

What Trisenox is

Each Trisenox 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.

Arsenic trioxide · prescription medicine

Strength and form	Product names	Same medicine, other names	Label
arsenic trioxide 2 mg/mL injection, solution (intravenous)	Trisenox	8 products, 7 companies	—

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

FDA approval

NDA: New Drug Application: how a new (usually brand-name) medicine is approved.

FDA applications of Trisenox products (Drugs@FDA)
Application	Holder	First approved	Products
NDA021248	Cephalon	September 25, 2000	1

Companies that list Trisenox

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

Cephalon, LLC1 product

Recalls

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

Sources

NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
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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Trisenox