rxstat › Shortages › Peginterferon Alfa-2a

Peginterferon Alfa-2a (Pegasys) shortage status

Discontinued

Source: Health Canada shortage reports · Updated Oct 27, 2026

Peginterferon Alfa-2a products have been discontinued in Canada. See the reports below for which products and when.

An immune-modulating medication used to treat chronic hepatitis B and C.

Products affected
0 / 1
Reports on file
2

Shortage history

2025 2026

Shortage history (red bands = periods in shortage).

Reports by product

The DIN is printed on your prescription label.

Resolved
PEGASYS
180MCG · SOLUTION · PHARMAAND GMBH
DIN 02248077 · ended Sep 15, 2026 · Disruption of the manufacture of the drug.
Discontinued
PEGASYS
180MCG · SOLUTION · HOFFMANN-LA ROCHE LIMITED
DIN 02248077

What's happening

One or more Peginterferon Alfa-2a products have been permanently discontinued by their manufacturers. If your product is affected, ask your pharmacist about equivalent products still on the market.

Peginterferon Alfa-2a is classified under “IMMUNOSTIMULANTS” (ATC L03AB).

Recent changes

Common questions

What is Peginterferon Alfa-2a used for?

An immune-modulating medication used to treat chronic hepatitis B and C.

When will Peginterferon Alfa-2a be back in stock in Canada?

Manufacturers have not provided a reliable end date. This page updates automatically as soon as an estimate is filed.

Why is Peginterferon Alfa-2a in shortage?

See the reports above; manufacturers must state a reason (most commonly manufacturing disruption or a surge in demand) when filing with Health Canada.

What can my pharmacist do about it?

Often quite a lot: substitute an equivalent product from an unaffected manufacturer, adjust quantities, or in most provinces adapt or renew prescriptions on the spot. Call your pharmacy before visiting, and call 811 for free health advice.

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Related drugs (immunostimulants)

Bacillus Calmette-guerin (Oncotice) Partial shortage 1 of 1 reported products affected · est. return Dec 31, 2027 Aldesleukin (Proleukin) No current shortage Bacillus Calmette-guerin (Immucyst) Discontinued 0 of 1 reported products affected Filgrastim (Nivestym) No current shortage Glatiramer No current shortage Interferon Alfa-2b (Intron A) Discontinued 0 of 5 reported products affected

Guides: what to do when your medication is in shortage · how to read shortage reports

Data reflects reports manufacturers are legally required to file with Health Canada, republished with per-drug aggregation by rxstat. Estimated end dates are supplied by manufacturers and frequently change. This page describes drug supply only and is not medical advice; never stop or switch a medication without speaking to your pharmacist or prescriber.