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ATC S01EC05 · Carbonic Anhydrase Inhibitors · updated 2 Nov 2026

Methazolamide shortage

As of 2 Nov 2026, Methazolamide has a reported shortage in 1 of the 16 countries we track (Canada), covering 1 product from 1 company.

Is there a Methazolamide shortage?

Yes. As of 2 Nov 2026, Methazolamide is reported short in 1 of the 16 countries we track: Canada. The earliest expected return is 20 Nov 2026 (Canada). New since 3 Oct 2026: Canada.

Countries1/16
Products1packs or presentations
Companies10 listed
Short since27 Oct 20266 days ago
Earliest return20 Nov 2026company estimate
Main reasonManufacturing problem

Timeline

Canada
METHAZOLAMIDE (100 BTL)METHAZOLAMIDE (100 BTL)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
AA Pharma1

Compared with similar medicines

ATC group S01EC · Carbonic Anhydrase Inhibitors
Dorzolamide5/16Brinzolamide3/16Acetazolamide2/16Brinzolamide, Combinations1/16Methazolamide1/16

Affected products

CountryProductCompanySinceExpected backReason
CAMETHAZOLAMIDE (100 BTL)AA PHARMA INC27 Oct 202620 Nov 2026Manufacturing problem
Disruption of the manufacture of the drug

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

Questions

Is there a Methazolamide shortage?

Yes. As of 2 Nov 2026, Methazolamide is reported short in 1 of the 16 countries we track: Canada. The earliest expected return is 20 Nov 2026 (Canada). New since 3 Oct 2026: Canada.

When will Methazolamide be back in stock?

Companies expect supply back from 20 Nov 2026 in Canada; Canada: 20 Nov 2026. These are company estimates reported to each authority.

Why is Methazolamide in short supply?

The most common reason reported is: manufacturing problem. Reasons by product are listed in the table below.

Which companies have Methazolamide shortages?

AA Pharma.