DILTIAZEM CD
SIVEM PHARMACEUTICALS ULC
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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 there a shortage of DILTIAZEM CD in Canada?
A shortage of DILTIAZEM CD 120MG is expected: the manufacturer reported it to Health Canada as an anticipated shortage (last updated May 5, 2026), but it has not started yet.
Why is DILTIAZEM CD not available?
The reason the manufacturer reported: Requirements related to complying with good manufacturing practices.
When will DILTIAZEM CD be available again?
The manufacturer's estimated resolution date is January 1, 2027. This is an estimate and can change; follow this page to get an email when the status changes.
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.
⚠ Extended-release and immediate-release formulations are not interchangeable — confirm the release type with your pharmacist before switching.
Other Products
CARDIZEM SR 120MG
Extended-ReleaseBIOVAIL PHARMACEUTICALS CANADA DIVISION OF BIOVAIL CORPORATION
RATIO-DILTIAZEM CD
RATIOPHARM INC DIVISION OF TEVA CANADA LIMITED
CARDIZEM SR 60MG
Extended-ReleaseBIOVAIL PHARMACEUTICALS CANADA DIVISION OF BIOVAIL CORPORATION
CARDIZEM SR 90MG
Extended-ReleaseBIOVAIL PHARMACEUTICALS CANADA DIVISION OF BIOVAIL CORPORATION
NU-DILTIAZ TAB 60MG
NU-PHARM INC
DILTIAZEM-60 TAB 60MG
PRO DOC LIMITEE
What this means
Does this mean my pharmacy is already out of stock?
No — this shortage hasn't started yet. It's an early warning that supply may become tight, based on information from the manufacturer.
What should I do?
No action is needed yet. It's worth asking your pharmacist at your next refill whether they expect any disruption for this product.
Estimated Resolution
2027-01-01
~3 months remaining (estimate)
This is the manufacturer's estimated date, not a guarantee — actual resolution may come earlier or later.
DIN
02445999
Strength
120MG
Dosage Form
CAPSULE (EXTENDED RELEASE)
Route
ORAL
Active Ingredient
DILTIAZEM HYDROCHLORIDE
Tier
Unrated
Last Updated
2026-05-05
Reason for Shortage
Requirements related to complying with good manufacturing practices.
Other Products from SIVEM PHARMACEUTICALS ULC
Other Health Canada-approved products made by the same manufacturer — not necessarily related to this shortage, and not necessarily in shortage themselves.
70MG · DIN 02299712
10MG · DIN 02447576
200MG · DIN 02385465
25MG · DIN 02451794
50MG · DIN 02451808
10MG · DIN 02451786
5MG · DIN 02385791
2.5MG · DIN 02385783
10MG · DIN 02385805
250MG · DIN 02401495
500MG · DIN 02401509
250MG · DIN 02401541