ALDACTONE 100 MG
PFIZER CANADA ULC
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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 October 27, 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: Business reasons.
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
MINT-SPIRONOLACTONE
MINT PHARMACEUTICALS INC
Other Products
JAMP SPIRONOLACTONE
JAMP PHARMA CORPORATION
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
Active Ingredient
SPIRONOLACTONE
Tier
Unrated
Last Updated
2026-10-27
Reason for Shortage
Business reasons
Past Reports for This Drug
ALDACTONE 100 MG has 2 shortage/discontinuation reports on file — this is one of them.
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.
20MG · DIN 02511061
40MG · DIN 02511045
40MG · DIN 02511053
DIN 02544040
5MG · DIN 01947664
10MG · DIN 01947672
20MG · DIN 01947680
40MG · DIN 01947699
DIN 02237369
DIN 02237367
DIN 02237368
50MG · DIN 02401347