Do not stop or change your medication without speaking to a pharmacist or healthcare professional.
Active Shortage

PMS-TOPIRAMATE

PHARMASCIENCE 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 there a shortage of PMS-TOPIRAMATE in Canada?

Yes. PMS-TOPIRAMATE 50MG has an active shortage reported to Health Canada (last updated August 26, 2026).

Why is PMS-TOPIRAMATE not available?

The reason the manufacturer reported: Disruption of the manufacture of the drug.

When will PMS-TOPIRAMATE be available again?

The manufacturer's estimated resolution date is October 6, 2026. This is an estimate and can change; follow this page to get an email when the status changes.

Can I still get this?Possibly — same-ingredient product records found
StatusActive Shortage
Same-ingredient products on file6 products
Expected resolution~8 days remaining (estimate)
Affected strength50MG
Last updated2026-08-26

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

TOPAMAX

JANSSEN INC

300MG · DIN 02231386

Different strengthSame dosage formSame routeNo current shortage

ACCEL-TOPIRAMATE

ACCEL PHARMA INC

200MG · DIN 02435357

Different strengthSame dosage formSame routeNo current shortage

TOPIRAMATE TABLETS USP

ACCORD HEALTHCARE INC

200MG · DIN 02430819

Different strengthSame dosage formSame routeNo current shortage

RATIO-TOPIRAMATE

TEVA CANADA LIMITED

100MG · DIN 02256835

Different strengthSame dosage formSame routeNo current shortage

SANDOZ TOPIRAMATE

SANDOZ CANADA INCORPORATED

200MG · DIN 02267837

Different strengthSame dosage formSame routeNo current shortage

PMS-TOPIRAMATE

PHARMASCIENCE INC

25MG · DIN 02262991

Different strengthSame dosage formSame routeNo current shortage

What this means

Does this mean my pharmacy is out of stock?

Not necessarily — a national shortage doesn't mean every pharmacy has run out. Some locations may still have stock, especially of a specific strength or pack size.

What should I do?

Contact your pharmacy before your current supply runs low, and ask your pharmacist about next steps if they're out.

DIN

02312085

Strength

50MG

Dosage Form

TABLET

Route

ORAL

Active Ingredient

TOPIRAMATE

See all TOPIRAMATE products →

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.

Active/anticipated Resolved

Shortage History