Do not stop or change your medication without speaking to a pharmacist or healthcare professional.
Permanently Discontinued

ISDN

AA PHARMA INC

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 ISDN discontinued in Canada?

Yes. The manufacturer has reported to Health Canada that ISDN 10MG has been permanently discontinued (last updated January 27, 2022). It is not expected to come back, so talk to your pharmacist or doctor about an alternative.

Why is ISDN not available?

The reason the manufacturer reported: Business reasons.

Can I still get this?Possibly — same-ingredient product records found
StatusPermanently Discontinued
Same-ingredient products on file1 product
Affected strength10MG
Report last updated2022-01-27
Checked by MedShort2026-11-12

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.

Other Products

ISDN

AA PHARMA INC

30MG · DIN 00441694

Different strengthSame dosage formSame routeNo current shortage

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

00441686

Strength

10MG

Dosage Form

TABLET

Route

ORAL

Active Ingredient

ISOSORBIDE DINITRATE

See all ISOSORBIDE DINITRATE products →

Shortage History