rxstat › Shortages › Ketotifen

Ketotifen shortage status

No current shortage

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

Ketotifen has no current shortage reported in Canada. It has been in shortage before; the history is below.
Products affected
0 / 3
Reports on file
8

Reports by product

Resolved
ZADITEN
1MG · TABLET · TEVA CANADA LIMITED
DIN 00577308 · ended Mar 18, 2026 · Disruption of the manufacture of the drug.
Resolved
ZADITOR
0.25MG · SOLUTION · LABORATOIRES THEA
DIN 02242324 · ended Jun 19, 2025 · Delay in shipping of the drug.
Resolved
ZADITOR
0.25MG · SOLUTION · LABORATOIRES THEA
DIN 02242324 · ended Dec 19, 2024 · Delay in shipping of the drug.
Resolved
ZADITEN
1MG · TABLET · TEVA CANADA LIMITED
DIN 00577308 · ended Apr 14, 2023 · Disruption of the manufacture of the drug.
Resolved
ZADITEN
1MG · TABLET · TEVA CANADA LIMITED
DIN 00577308 · ended Jul 27, 2021 · Disruption of the manufacture of the drug.
Resolved
ZADITEN
1MG · TABLET · TEVA CANADA LIMITED
DIN 00577308 · ended Jan 13, 2021 · Disruption of the manufacture of the drug.
Resolved
KETOTIFEN OPHTHALMIC SOLUTION
0.25MG · SOLUTION · STERIMAX INC
DIN 02400871 · ended Jun 27, 2019 · Delay in shipping of the drug.
Resolved
KETOTIFEN OPHTHALMIC SOLUTION
0.25MG · SOLUTION · STERIMAX INC
DIN 02400871 · ended Aug 14, 2017 · Other (Please describe in comments)

What's happening

There are no active shortage reports for Ketotifen. Health Canada has 8 historical reports on file for this drug, so supply has been disrupted before; the change log below shows the history.

Ketotifen is classified under “ANTIHISTAMINES FOR SYSTEMIC USE” (ATC R06AX).

Recent changes

Common questions

When will Ketotifen be back in stock in Canada?

Ketotifen has no active shortage; supply is normal per Health Canada reports.

Why is Ketotifen in shortage?

It isn't currently. Past reports and their reasons are listed above.

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 (antihistamines for systemic use)

Partial shortageBilastine1 of 2 reported products affectedPartial shortageCetirizine1 of 15 reported products affected · est. return Dec 31, 2023Partial shortageDiphenhydramine2 of 9 reported products affectedPartial shortageDoxylamine Pyridoxine1 of 2 reported products affected · est. return Jul 3, 2026Partial shortageKetotifen1 of 1 reported products affectedNo current shortageDimenhydrinate

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.