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Drugs Used In Addictive Disorders: shortage status in Canada

3 of the 6 drugs used in addictive disorders rxstat tracks are currently in shortage in Canada. When one drug in a class is short, demand often shifts to its alternatives, so related drugs can tighten too; each page below shows which manufacturers are affected and the latest recovery estimates.

Varenicline (Champix) Widespread shortage 4 of 6 reported products affected · est. return Aug 21, 2026 Methadone (Metadol) Partial shortage 4 of 12 reported products affected · est. return Sep 7, 2026 Varenicline (Champix) Partial shortage 1 of 3 reported products affected Acamprosate (Campral) No current shortage Buprenorphine Naloxone (Suboxone) No current shortage Naltrexone (Revia) No current shortage

Guides: what to do when your medication is in shortage · how to read these statuses

Class groupings follow the WHO ATC classification in Health Canada's reports. Data reflects manufacturer mandatory filings; see methodology.