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 5MG has been permanently discontinued (last updated March 11, 2020). 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 file6 products
Affected strength5MG
Last updated2020-03-11

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

ISOSORBIDE-5 TAB 5MG

PRO DOC LIMITEE

5MG · DIN 00658812

Same strengthSame dosage formSame routeNo current shortage

ISORDIL SUBLINGUAL TAB 5MG

WYETH LTD.

5MG · DIN 00243116

Same strengthSame dosage formSame routeNo current shortage

CORONEX 5MG SUBLINGUAL TABLETS

WYETH CANADA

5MG · DIN 02044811

Same strengthSame dosage formSame routeNo current shortage

ISORDIL SUBLINGUAL TABLETS 5MG

WYETH-AYERST CANADA INC.

5MG · DIN 02042606

Same strengthSame dosage formSame routeNo current shortage

Other Products

NOVO-SORBIDE TAB 30MG

NOVOPHARM LIMITED

30MG · DIN 00458694

Different strengthSame dosage formDifferent routeNo current shortage

NOVO-SORBIDE TAB 10MG

NOVOPHARM LIMITED

10MG · DIN 00458686

Different strengthSame dosage formDifferent 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

00670944

Strength

5MG

Dosage Form

TABLET

Route

SUBLINGUAL

Active Ingredient

ISOSORBIDE DINITRATE

See all ISOSORBIDE DINITRATE products →

Shortage History