ALDACTONE 100 MG
PFIZER CANADA ULC
This is a national manufacturer shortage report. It does not confirm whether the product is unavailable at your local pharmacy — call ahead or ask your pharmacist.
Quick answers
Is ALDACTONE 100 MG discontinued in Canada?
Yes. The manufacturer has reported to Health Canada that ALDACTONE 100 MG has been permanently discontinued (last updated August 6, 2026). It is not expected to come back, so talk to your pharmacist or doctor about an alternative.
Why is ALDACTONE 100 MG not available?
The reason the manufacturer reported: Demand increase for the drug.
Other Products Containing the Same Active Ingredient
These are other Health Canada-approved human drug products containing the same active ingredient, not currently reported in shortage. Strength, dosage form, and route can still differ — ask your pharmacist whether any of these are appropriate for you. This isn't a guarantee of current stock.
Closest Matches
NTP-SPIRONOLACTONE
NT PHARMA CANADA LTD
JAMP SPIRONOLACTONE
JAMP PHARMA CORPORATION
PRZ-SPIRONOLACTONE
PHARMARIS CANADA INC
Other Products
MINT-SPIRONOLACTONE
MINT PHARMACEUTICALS INC
What this means
Does this mean I need to switch medications right away?
Not necessarily right away, but this product will not be returning to the market.
What should I do?
Talk to your pharmacist or prescriber about your options well before your current supply runs out.
DIN
00285455
Strength
100MG
Dosage Form
TABLET
Route
ORAL
Compare with another product →
Shortage Timeline
Approximate — based on the dates HPSC reports were last updated, not confirmed onset or resolution dates. Gaps between bars are periods with no shortage on file.
Shortage History
Other Products from PFIZER CANADA ULC
Other Health Canada-approved products made by the same manufacturer — not necessarily related to this shortage, and not necessarily in shortage themselves.
40MG · DIN 02511053
40MG · DIN 02511045
20MG · DIN 02511061
DIN 02544040
5MG · DIN 01947664
10MG · DIN 01947672
20MG · DIN 01947680
40MG · DIN 01947699
DIN 02237367
DIN 02237368
DIN 02237369
50MG · DIN 02401347