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ATC S01EC01 · Carbonic Anhydrase Inhibitors

Acetazolamide shortage

As of 2 Nov 2026, Acetazolamide has a reported shortage in 2 of the 15 countries we track (Canada, France), covering 2 products from 1 company.

Countries2/15
Products2packs or presentations
Companies10 listed
Short since1 Jun 20242.4 years ago
Earliest return1 Jan 2027company estimate
Main reasonOther
United StatesNo reported shortageCanada1 product shortGermanyNo reported shortageFrance1 product shortItalyNo reported shortageSpainNo reported shortageIrelandNo reported shortageAustriaNo reported shortageBelgiumNo reported shortageSwitzerlandNo reported shortageCzechiaNo reported shortageNorwayNo reported shortageSwedenNo reported shortageJapanNo reported shortageAustraliaNo reported shortage

Timeline

CanadaFrance
202520262027ACETAZOLAMIDE FOR INJECTION, USP (1 VIAL)ACETAZOLAMIDE FOR INJECTION, USP (1 VIAL)Diamox 250 mg, comprimé sécableDiamox 250 mg, comprimé sécabletoday

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
Sterimax1

Compared with similar medicines

ATC group S01EC · Carbonic Anhydrase Inhibitors
Dorzolamide5/15Brinzolamide3/15Acetazolamide2/15Brinzolamide, Combinations1/15Methazolamide1/15

Affected products

CountryProductCompanySinceExpected backReason
CAACETAZOLAMIDE FOR INJECTION, USP (1 VIAL)STERIMAX INC1 Jun 20241 Jan 2027Other
Other (Please describe in comments)
FRDiamox 250 mg, comprimé sécable limited28 Sep 2026not givenNot stated

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