TOPAMAX 100MG
JANSSEN 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 TOPAMAX 100MG discontinued in Canada?
Yes. The manufacturer has reported to Health Canada that TOPAMAX 100MG has been permanently discontinued (last updated July 27, 2026). It is not expected to come back, so talk to your pharmacist or doctor about an alternative.
Why is TOPAMAX 100MG 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
RATIO-TOPIRAMATE
TEVA CANADA LIMITED
JAMP-TOPIRAMATE
JAMP PHARMA CORPORATION
VAN-TOPIRAMATE
VANC PHARMACEUTICALS INC
TEVA-TOPIRAMATE
TEVA CANADA LIMITED
ZYM-TOPIRAMATE
ZYMCAN PHARMACEUTICALS INC
AVA-TOPIRAMATE
AVANSTRA 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
02230894
Strength
100MG
Dosage Form
TABLET
Route
ORAL
Compare with another product →
Shortage History
Other Products from JANSSEN INC
Other Health Canada-approved products made by the same manufacturer — not necessarily related to this shortage, and not necessarily in shortage themselves.
DIN 02538563
DIN 02538555
4MG · DIN 02493225
3MG · DIN 02493217
5MG · DIN 02493233
0.5MG · DIN 02397447
1.5MG · DIN 02397455
18MG · DIN 02247732
54MG · DIN 02247734
27MG · DIN 02250241
36MG · DIN 02247733
400MG · DIN 02455978