rxstat › Shortages › Atenolol Chlorthalidone
Atenolol Chlorthalidone shortage status
Partial shortage
Source: Health Canada shortage reports · Updated Jul 9, 2026
Some Atenolol Chlorthalidone products are in shortage in Canada (1 of 5 reported products), while others remain available. Your pharmacy may be able to substitute an unaffected manufacturer. The latest estimate for affected products to return is Jun 12, 2026.
In shortage since
Mar 24, 2026
Est. full return
Jun 12, 2026
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 shortageAA-ATENIDONE
50MG
25MG · TABLET · AA PHARMA INC
DIN 02248763 · since Mar 24, 2026, est. end Jun 12, 2026 · Disruption of the manufacture of the drug.
DiscontinuedTENORETIC 50/25MG TAB
25MG
50MG · TABLET · ASTRAZENECA CANADA INC
DIN 02049961
DiscontinuedTENORETIC 100/25MG TAB
25MG
100MG · TABLET · ASTRAZENECA CANADA INC
DIN 02049988
ResolvedTENORETIC 100/25MG TAB
25MG
100MG · TABLET · ASTRAZENECA CANADA INC
DIN 02049988 · ended Apr 9, 2020 · Other (Please describe in comments)
ResolvedTENORETIC 50/25MG TAB
25MG
50MG · TABLET · ASTRAZENECA CANADA INC
DIN 02049961 · ended Apr 11, 2020 · Other (Please describe in comments)
DiscontinuedTEVA-ATENOLOL/CHLORTHALIDONE
25MG
100MG · TABLET · TEVA CANADA LIMITED
DIN 02302926
ResolvedTEVA-ATENOLOL/CHLORTHALIDONE
25MG
100MG · TABLET · TEVA CANADA LIMITED
DIN 02302926 · ended Sep 30, 2019 · Disruption of the manufacture of the drug.
ResolvedAPO-ATENIDONE
25MG
50MG · TABLET · APOTEX INC
DIN 02248763 · ended Feb 19, 2019 · Disruption of the manufacture of the drug.
ResolvedAPO-ATENIDONE
25MG
100MG · TABLET · APOTEX INC
DIN 02248764 · ended Jul 23, 2018 · Disruption of the manufacture of the drug.
ResolvedAPO-ATENIDONE
25MG
50MG · TABLET · APOTEX INC
DIN 02248763 · ended Jul 23, 2018 · Disruption of the manufacture of the drug.
DiscontinuedAPO-ATENIDONE
25MG
50MG · TABLET · APOTEX INC
DIN 02248763
DiscontinuedAPO-ATENIDONE
25MG
100MG · TABLET · APOTEX INC
DIN 02248764
What's happening
Atenolol Chlorthalidone is currently affected by an active shortage report filed with Health Canada by AA PHARMA 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.
Atenolol Chlorthalidone is classified under “BETA BLOCKING AGENTS AND OTHER DIURETICS” (ATC C07CB).
Recent changes
Common questions
When will Atenolol Chlorthalidone be back in stock in Canada?
The latest manufacturer estimate is Jun 12, 2026. Estimates are self-reported and often slip; this page updates automatically when they change.
Why is Atenolol Chlorthalidone 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.
All beta blocking agents and other diuretics shortage statuses →
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.