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OLESTYR 4 G

CHOLESTYRAMINE RESIN : 4 G · DIN 02210320 · PHARMASCIENCE INC

Health Canada status: MARKETED

What is OLESTYR?

OLESTYR 4 G contains CHOLESTYRAMINE RESIN : 4 G. It is listed in the Health Canada Drug Product Database under DIN 02210320, held by PHARMASCIENCE INC, supplied as POWDER FOR SUSPENSION for ORAL administration. Health Canada currently lists it as marketed, status dated 18-Oct-2017. Nexara Health is a licensed Canadian wholesale distributor (DEL 3-002896-A) and can source this product for hospitals, pharmacies and clinics. Availability and lead time are confirmed per order.

What is OLESTYR used for?

Adjunct for primary hypercholesterolemia; combined hypercholesterolemia/hypertriglyceridemia; bile acid induced diarrhea (short bowel syndrome); pruritus from partial biliary obstruction.

Authorized indication as written in the Health Canada product monograph. For healthcare professionals and licensed purchasers; this is not medical advice.

Product details and regulatory record

DIN02210320
Brand nameOLESTYR
Generic / active ingredientCHOLESTYRAMINE RESIN : 4 G
ManufacturerPHARMASCIENCE INC
Strength4 G
Dosage formPOWDER FOR SUSPENSION
Route of administrationORAL
SchedulePrescription
ATC codeC10AC01 COLESTYRAMINE
BiosimilarNo
Health Canada statusMARKETED
Status date18-Oct-2017

How is it administered?

Adults: 4g of cholestyramine resin 1-6 times daily. Mix with 120-180 mL of water or non-carbonated beverage. Do not take in dry form. Take other drugs 1h before or 4-6h after.

Included because it drives pack selection and wastage. Consult the monograph.

How is it stored and handled?

Not explicitly specified in the provided text (section 11 header exists but content is missing from snippet).

How is it supplied?

Light Powder: Cartons of 3 and 30 sachets (5g/dose). Regular Powder: Cartons of 3 and 30 sachets (9g/dose).

Contraindications

Hypersensitivity to the drug or ingredients; complete biliary obstruction where bile is not excreted into the intestine.

Warnings and precautions

Do not take in dry form (choking hazard). May cause hyperchloremic acidosis, interference with fat-soluble vitamins (A, D, K) and folate, and chronic use may increase bleeding tendency.

What can be used instead?

Other Canadian products sharing ATC code C10AC01 COLESTYRAMINE. 3 of 23 DINs in this group are currently marketed — marketed products are listed first, because that is what can actually be bought. These tables describe supply, not clinical equivalence: substitution rests with the prescriber or pharmacist, and interchangeability is determined provincially.

ProductStrengthFormManufacturerHealth Canada statusDIN
CHOLESTYRAMINE-ODAN4 GPowderODAN LABORATORIES LTDMARKETEDDIN 02455609
JAMP-CHOLESTYRAMINE4 GPOWDER FOR SUSPENSIONJAMP PHARMA CORPORATIONMARKETEDDIN 02478595
ALTI-CHOLESTYRAMINE LIGHT4 GPOWDER ; PACKAGEALTIMED PHARMA INC.CANCELLED POST MARKETDIN 02054825
CHOLESTYRAMINE4 G / 5 GPOWDER FOR SUSPENSIONSORRES PHARMA INCCANCELLED POST MARKETDIN 02236969
CHOLESTYRAMINE4 G / 9 GPOWDER FOR SUSPENSIONSORRES PHARMA INCCANCELLED POST MARKETDIN 02236970
JAMP-CHOLESTYRAMINE4 GPOWDER FOR SUSPENSIONJAMP PHARMA CORPORATIONAPPROVEDDIN 02494531
NOVO-CHOLAMINE - PWR 4G/DOSE4 GPOWDER ; SUSPENSIONNOVOPHARM LIMITEDCANCELLED POST MARKETDIN 02139189
NOVO-CHOLAMINE LIGHT - PWR 4G/DOSE4 GSUSPENSION ; POWDERNOVOPHARM LIMITEDCANCELLED POST MARKETDIN 02139197
OLESTYR4 GPOWDER FOR SUSPENSIONPHARMASCIENCE INCDORMANTDIN 00890960
PHL-CHOLESTYRAMINE LIGHT - 210G TIN4 G / 5 GPOWDER FOR SUSPENSIONPHARMEL INCCANCELLED POST MARKETDIN 02237132

Who else supplies COLESTYRAMINE worldwide?

Nexara tracks national medicine registries and published price lists across multiple markets. COLESTYRAMINE appears in 17 registered pack listings across 10 markets, published on 8 different national price bases. Where a Canadian route is closed, that is where an alternative route of supply starts — subject to the import rules in both countries.

Registered listings are not stock. Ask us to confirm what can actually be sourced for your order.

How can I get it?

Nexara Health supplies this product to licensed Canadian buyers — pharmacies, hospitals, clinics, licensed distributors, and clinical trial sponsors or their CROs. We confirm stock, pack size, expiry and pricing at the time of quotation. If the product is on backorder or in shortage, we identify equivalent alternatives and import options where permitted.

Request a quote for OLESTYR

Ordering questions

Who can buy this from Nexara?

Licensed entities only. Nexara holds Health Canada establishment licence DEL 3-002896-A and ships only to a licensed address.

Is there a minimum order?

Yes, set per product line and per pack multiple rather than on the order total, so you are never asked to buy a part-pack. The minimum for this line is confirmed with your quote.

What is the lead time?

Confirmed per order at quotation, and it depends on current stock position and whether the product is in shortage.

Can Nexara supply this for a clinical trial?

Yes — comparator and background-therapy supply, including sourcing from other markets where a Canadian pack will not satisfy the protocol. Clinical trial supply.

Health Canada Drug Product Database (DPD), DIN 02210320. Last reviewed 2026-09-09. Nexara Health is a licensed wholesaler and supplies licensed entities only; consumer orders are routed to a partner pharmacy.