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ATC L01XX27 · Other Antineoplastic Agents · updated 2 Nov 2026

Arsenic Trioxide shortage

As of 2 Nov 2026, Arsenic Trioxide has a reported shortage in 2 of the 16 countries we track (United States, Canada), covering 3 products from 3 companies.

Is there an Arsenic Trioxide shortage?

Yes. As of 2 Nov 2026, Arsenic Trioxide is reported short in 2 of the 16 countries we track: United States, Canada. No company has given a return date.

Countries2/16
Products3packs or presentations
Companies32 listed
Short since13 May 20206.5 years ago
Earliest returnnot givencompany estimate
Main reasonNot stated
United States2 products shortCanada1 product shortGermanyNo reported shortageFranceNo reported shortageItalyNo reported shortageSpainNo reported shortageIrelandNo reported shortageAustriaNo reported shortageBelgiumNo reported shortageSwitzerlandNo reported shortageCzechiaNo reported shortageNorwayNo reported shortageSwedenNo reported shortageJapanNo reported shortageNew ZealandNo reported shortageAustraliaNo reported shortage

Timeline

United StatesCanada
20222023202420252026Arsenic Trioxide, Injection, 1 mg/1 mL (NDC Arsenic Trioxide, Injection, 1 mg/1 mL (NDC 50742-438-10)Arsenic Trioxide, Injection, 1 mg/1 mL (NDC Arsenic Trioxide, Injection, 1 mg/1 mL (NDC 63323-637-10)TRISENOX (1)TRISENOX (1)today

Solid bars run from the reported start to today; faded bars show the time left until the expected return. An arrow means no return date was given.

Which companies are short

products short, all countries
Ingenus1Fresenius Kabi1 FRETeva1 TEVA

Listed: Fresenius Kabi FRE · Xetra, Teva TEVA · NYSE / TASE

Compared with similar medicines

ATC group L01XX · Other Antineoplastic Agents
Pentostatin4/16Anagrelide3/16Arsenic Trioxide2/16Eribulin2/16Hydroxycarbamide2/16Amsacrine1/16Asparaginase1/16Celecoxib1/16Lurbinectedin1/16Tazemetostat1/16

Affected products

CountryProductCompanySinceExpected backReason
USArsenic Trioxide, Injection, 1 mg/1 mL (NDC 50742-438-10) discontinuationIngenus Pharmaceuticals LLC24 Feb 2026not givenNot stated
USArsenic Trioxide, Injection, 1 mg/1 mL (NDC 63323-637-10) discontinuationFresenius Kabi USA, LLC21 Sep 2026not givenNot stated
CATRISENOX (1) discontinuationTEVA CANADA LIMITED13 May 2020not givenOther
Other (Please describe in comments)

"Expected back" is the date the company gave the authority, when it gave one. Ask a pharmacist about alternatives.

Questions

Is there an Arsenic Trioxide shortage?

Yes. As of 2 Nov 2026, Arsenic Trioxide is reported short in 2 of the 16 countries we track: United States, Canada. No company has given a return date.

When will Arsenic Trioxide be back in stock?

No return date has been given; United States: no date given; Canada: no date given. These are company estimates reported to each authority.

Why is Arsenic Trioxide in short supply?

The most common reason reported is: not stated. Reasons by product are listed in the table below.

Which companies have Arsenic Trioxide shortages?

Ingenus, Fresenius Kabi, Teva.