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Oxtriphylline (Choledyl) shortage status

Widespread shortage

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

Oxtriphylline is in a widespread shortage in Canada. 3 of 4 reported products are affected. Manufacturers have not committed to a recovery date.

A bronchodilator used to open the airways in asthma and other chronic lung conditions.

Products affected

3 / 4

In shortage since

Mar 10, 2017

Reports on file

Talk to a pharmacist

Pharmacists can substitute an unaffected manufacturer's version, adjust strengths, and in most provinces adapt or renew a prescription on the spot.

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When every manufacturer is affected, an online doctor can assess your situation and prescribe an alternative.

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Shortage history

Shortage history (red bands = periods in shortage).

Reports by product

The DIN is printed on your prescription label.

Active shortage

APO OXTRIPHYLLINE TAB 100MG

100MG · TABLET · APOTEX INC

DIN 00441724 · since Mar 10, 2017, no end estimate · Disruption of the manufacture of the drug.

Active shortage

APO OXTRIPHYLLINE TAB 200MG

200MG · TABLET · APOTEX INC

DIN 00441732 · since Mar 10, 2017, no end estimate · Disruption of the manufacture of the drug.

Active shortage

APO OXTRIPHYLLINE TAB 300MG

300MG · TABLET · APOTEX INC

DIN 00511692 · since Mar 10, 2017, no end estimate · Disruption of the manufacture of the drug.

Resolved

CHOLEDYL ELIXIR 100MG/5ML

100 mg · Elixir · ERFA CANADA 2012 INC

DIN 00476366 · ended Dec 12, 2017 · Disruption of the manufacture of the drug.

Discontinued

CHOLEDYL ELIXIR 100MG/5ML

ERFA CANADA 2012 INC

DIN 00476366

What's happening

Oxtriphylline is currently affected by 3 active shortage reports filed with Health Canada by APOTEX INC.

The reported cause is: disruption of the manufacture of the drug. 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.

Oxtriphylline is classified under “OTHER SYSTEMIC DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES” (ATC R03DA).

Recent changes

No changes recorded yet.

Common questions

What is Oxtriphylline used for?

A bronchodilator used to open the airways in asthma and other chronic lung conditions.

When will Oxtriphylline 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 Oxtriphylline 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.

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Possible alternatives in the same class (other systemic drugs for obstructive airway diseases)

Drugs in the same therapeutic class, best-supplied first. These are not automatic substitutes: only your pharmacist or prescriber can judge whether a switch makes sense for you.

Roflumilast (Daxas) No current shortage Montelukast (Singulair) Partial shortage 8 of 44 reported products affected · est. return Jun 30, 2027 Theophylline (Aa-Theo La) Partial shortage 1 of 7 reported products affected Aminophylline Widespread shortage 2 of 3 reported products affected · est. return Aug 31, 2026 Guaifenesin Oxtriphylline (Choledyl Expectorant) Discontinued 0 of 1 reported products affected Tezepelumab (Tezspire) Discontinued 0 of 1 reported products affected

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.