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Codeine Pheniramine Guaifenesin shortage status

Partial shortage

Source: Health Canada shortage reports · Updated Jul 9, 2026

Some Codeine Pheniramine Guaifenesin products are in shortage in Canada (1 of 2 reported products), while others remain available. Your pharmacy may be able to substitute an unaffected manufacturer.
Products affected
1 / 2
In shortage since
Jun 1, 2023
Reports on file
6
Talk to your pharmacist. Pharmacists can often substitute another manufacturer's version, a different strength, or (in most provinces) adapt or renew a prescription on the spot. Your free provincial health line is 811.

Reports by product

Active shortage
ROBITUSSIN AC
10MG 100MG 7.5MG · SYRUP · GLAXOSMITHKLINE CONSUMER HEALTHCARE ULC
DIN 01934740 · since Jun 1, 2023, no end estimate · Other (Please describe in comments)
Discontinued
CALMYLIN ACE
10MG 7.5MG 100MG · SYRUP · TEVA CANADA LIMITED
DIN 02198630
Resolved
CALMYLIN ACE
10MG 7.5MG 100MG · SYRUP · TEVA CANADA LIMITED
DIN 02198630 · ended Oct 30, 2023 · Disruption of the manufacture of the drug.
Discontinued
ROBITUSSIN AC
10MG 100MG 7.5MG · SYRUP · GLAXOSMITHKLINE CONSUMER HEALTHCARE ULC
DIN 01934740
Resolved
ROBITUSSIN AC
10MG 100MG 7.5MG · SYRUP · PFIZER CONSUMER HEALTHCARE A DIVISION OF PFIZER CANADA ULC
DIN 01934740 · ended Jan 3, 2020 · Disruption of the manufacture of the drug.
Resolved
CALMYLIN ACE
7.5MG 10MG 100MG · SYRUP · TEVA CANADA LIMITED
DIN 02198630 · ended Jul 30, 2019 · Disruption of the manufacture of the drug.

What's happening

Codeine Pheniramine Guaifenesin is currently affected by an active shortage report filed with Health Canada by GLAXOSMITHKLINE CONSUMER HEALTHCARE ULC.

The reported cause is: other (please describe in comments). Manufacturers must report shortages, but end-date estimates are their own projections and often move.

If your usual product is affected, a pharmacist is the fastest route to a solution: they can dispense an unaffected manufacturer's equivalent when one exists, and in most provinces can adapt doses or substitute a therapeutic alternative without a new appointment.

Codeine Pheniramine Guaifenesin is classified under “COUGH SUPPRESSANTS AND EXPECTORANTS, COMBINATIONS” (ATC R05FA).

Recent changes

Common questions

When will Codeine Pheniramine Guaifenesin be back in stock in Canada?

Manufacturers have not provided a reliable end date. This page updates automatically as soon as an estimate is filed.

Why is Codeine Pheniramine Guaifenesin in shortage?

See the reports above; manufacturers must state a reason (most commonly manufacturing disruption or a surge in demand) when filing with Health Canada.

What can my pharmacist do about it?

Often quite a lot: substitute an equivalent product from an unaffected manufacturer, adjust quantities, or in most provinces adapt or renew prescriptions on the spot. Call your pharmacy before visiting, and call 811 for free health advice.

Related drugs (cough suppressants and expectorants, combinations)

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

Data reflects reports manufacturers are legally required to file with Health Canada, republished with per-drug aggregation by rxstat. Estimated end dates are supplied by manufacturers and frequently change. This page describes drug supply only and is not medical advice; never stop or switch a medication without speaking to your pharmacist or prescriber.