TIAZAC
BAUSCH HEALTH, CANADA INC.
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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 TIAZAC discontinued in Canada?
Yes. The manufacturer has reported to Health Canada that TIAZAC 180MG has been permanently discontinued (last updated October 21, 2026). It is not expected to come back, so talk to your pharmacist or doctor about an alternative.
Why is TIAZAC not available?
The reason the manufacturer reported: Business reasons.
Diltiazem CD Shortage in Canada: Which Brands Are Affected
Which diltiazem CD capsules (Apo-Diltiaz CD, Jamp, Pro-Diltiazem CD, Sanis) are in shortage in Canada right now, why CD, SR, and XC versions aren't interchangeable, and what your pharmacist can switch you to.
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
TIAZAC XC
BAUSCH HEALTH, CANADA INC.
TEVA-DILTIAZEM XC
TEVA CANADA LIMITED
MAR-DILTIAZEM T
MARCAN PHARMACEUTICALS INC
DILTIAZEM HYDROCHLORIDE INJECTION
SANDOZ CANADA INCORPORATED
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
02231151
Strength
180MG
Dosage Form
CAPSULE (EXTENDED RELEASE)
Route
ORAL
Active Ingredient
DILTIAZEM HYDROCHLORIDE
Tier
Unrated
Last Updated
2026-10-21
Reason for Shortage
Business reasons
Other Products from BAUSCH HEALTH, CANADA INC.
Other Health Canada-approved products made by the same manufacturer — not necessarily related to this shortage, and not necessarily in shortage themselves.