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ATC V04CX03 · Other Diagnostic Agents

Methacholine shortage

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

Countries1/15
Products1packs or presentations
Companies10 listed
Short since30 Apr 20224.5 years ago
Earliest returnnot givencompany estimate
Main reasonActive ingredient shortage

Timeline

Canada
2023202420252026METHACHOLINE OMEGA (1 x 100mg vial / fiole)METHACHOLINE OMEGA (1 x 100mg vial / fiole)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
Omega1

Compared with similar medicines

ATC group V04CX · Other Diagnostic Agents
Mannitol3/15Lithium Chloride1/15Methacholine1/15

Affected products

CountryProductCompanySinceExpected backReason
CAMETHACHOLINE OMEGA (1 x 100mg vial / fiole)OMEGA LABORATORIES LIMITED30 Apr 2022not givenActive ingredient shortage
Shortage of an active ingredient

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