This is a historical report — it no longer reflects this drug's current status. Current status: Active Shortage. View this drug's full profile page →
OLESTYR
PHARMASCIENCE INC
View this drug's full profile page →
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 OLESTYR in Canada?
Yes. OLESTYR 4G has an active shortage reported to Health Canada (last updated August 10, 2026).
Why is OLESTYR not available?
The reason the manufacturer reported: Disruption of the manufacture of the drug.
When will OLESTYR be available again?
The manufacturer's estimated resolution date is July 6, 2027. This is an estimate and can change; follow this page to get an email when the status changes.
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
OLESTYR
PHARMASCIENCE INC
PHL-CHOLESTYRAMINE REGULAR - 378G TIN
PHARMEL INC
PHL-CHOLESTYRAMINE LIGHT - 210G TIN
PHARMEL INC
CHOLESTYRAMINE
SORRES PHARMA INC
PHL-CHOLESTYRAMINE POWDER 210G/CAN
PHARMEL INC
PMS-CHOLESTYRAMINE
PHARMASCIENCE 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
00890960
Strength
4G
Dosage Form
POWDER FOR SUSPENSION
Route
ORAL
Active Ingredient
CHOLESTYRAMINE RESIN
Tier
Unrated
Last Updated
2018-11-30
Reason for Shortage
Business reasons
Past Reports for This Drug
OLESTYR has 2 shortage/discontinuation reports on file — this is one of them.
Other Products from PHARMASCIENCE INC
Other Health Canada-approved products made by the same manufacturer — not necessarily related to this shortage, and not necessarily in shortage themselves.
DIN 02303299
DIN 01999648
DIN 01999656
DIN 02028174
DIN 02025337
650MG · DIN 02527901
81MG · DIN 02433044
81MG · DIN 02244993
81MG · DIN 02394790
80MG · DIN 02009013
80MG · DIN 02238545
40MG · DIN 02399393