Source: Health Canada shortage reports · Updated Sep 4, 2026
Terazosin has no current shortage reported in Canada. It has been in shortage before; the history is below.
An alpha blocker used to treat high blood pressure and urinary symptoms of an enlarged prostate.
Products affected
0 / 18
Reports on file
48
Shortage history
Shortage history (red bands = periods in shortage).
Reports by product
The DIN is printed on your prescription label.
Resolved
APO-TERAZOSIN
10MG · TABLET · APOTEX INC
DIN 02234505 · ended Sep 3, 2026 · Disruption of the manufacture of the drug.
Resolved
TEVA-TERAZOSIN
2MG · TABLET · TEVA CANADA LIMITED
DIN 02230806 · ended Apr 7, 2025 · Disruption of the manufacture of the drug.
Resolved
TEVA-TERAZOSIN
10MG · TABLET · TEVA CANADA LIMITED
DIN 02230808 · ended Apr 7, 2025 · Disruption of the manufacture of the drug.
Resolved
TEVA-TERAZOSIN
1MG · TABLET · TEVA CANADA LIMITED
DIN 02230805 · ended Apr 7, 2025 · Disruption of the manufacture of the drug.
Discontinued
TEVA-TERAZOSIN
5MG · TABLET · TEVA CANADA LIMITED
DIN 02230807
Resolved
TEVA-TERAZOSIN
5MG · TABLET · TEVA CANADA LIMITED
DIN 02230807 · ended Jun 16, 2025 · Disruption of the manufacture of the drug.
Resolved
PMS-TERAZOSIN
10MG · TABLET · PHARMASCIENCE INC
DIN 02243521 · ended May 22, 2025 · Disruption of the manufacture of the drug.
Resolved
APO-TERAZOSIN
5MG · TABLET · APOTEX INC
DIN 02234504 · ended May 9, 2024 · Disruption of the manufacture of the drug.
Resolved
APO-TERAZOSIN
10MG · TABLET · APOTEX INC
DIN 02234505 · ended May 9, 2024 · Shortage of an active ingredient.
Resolved
APO-TERAZOSIN
2MG · TABLET · APOTEX INC
DIN 02234503 · ended May 9, 2024 · Disruption of the manufacture of the drug.
Resolved
APO-TERAZOSIN
1MG · TABLET · APOTEX INC
DIN 02234502 · ended Apr 1, 2024 · Shortage of an active ingredient.
Resolved
APO-TERAZOSIN
2MG · TABLET · APOTEX INC
DIN 02234503 · ended Apr 1, 2024 · Shortage of an active ingredient.
Showing 12 of 48 reports. All reports are on file with Health Canada.
What's happening
There are no active shortage reports for Terazosin. Health Canada has 48 historical reports on file for this drug, so supply has been disrupted before; the change log below shows the history.
Terazosin is classified under “DRUGS USED IN BENIGN PROSTATIC HYPERTROPHY” (ATC G04CA).
Recent changes
Sep 4, 2026
Shortage resolved
Aug 27, 2026
Estimated end date pushed back : Aug 28, 2026 → Sep 4, 2026
Aug 21, 2026
Estimated end date pushed back : Aug 21, 2026 → Aug 28, 2026
Aug 13, 2026
Estimated end date pushed back : Aug 14, 2026 → Aug 21, 2026
Jul 16, 2026
New report filed
Common questions
What is Terazosin used for?
An alpha blocker used to treat high blood pressure and urinary symptoms of an enlarged prostate.
When will Terazosin be back in stock in Canada?
Terazosin has no active shortage; supply is normal per Health Canada reports.
Why is Terazosin 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.
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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.