Source: Health Canada shortage reports · Updated Jul 9, 2026
Also sold as: Moderiba, Ibavyr, Virazole
Ribavirin products have been discontinued in Canada. See the reports below for which products and when.
An antiviral medicine used to treat chronic hepatitis C and certain viral infections.
Products affected
0 / 6
Reports on file
15
Shortage history
Shortage history (red bands = periods in shortage).
Reports by product
The DIN is printed on your prescription label.
To be discontinued
VIRAZOLE
6G · POWDER FOR SOLUTION
AEROSOL · BAUSCH HEALTH, CANADA INC.
DIN 02170140
Resolved
IBAVYR
200MG · TABLET · PENDOPHARM DIVISION OF PHARMASCIENCE INC
DIN 02439212 · ended Dec 9, 2022 · Disruption of the manufacture of the drug.
Resolved
IBAVYR
400MG · TABLET · PENDOPHARM DIVISION OF PHARMASCIENCE INC
DIN 02425890 · ended Dec 9, 2022 · Disruption of the manufacture of the drug.
Resolved
VIRAZOLE
6G · POWDER FOR SOLUTION
AEROSOL · BAUSCH HEALTH, CANADA INC.
DIN 02170140 · ended Feb 12, 2025 · Demand increase for the drug.
Resolved
VIRAZOLE
6G · POWDER FOR SOLUTION
AEROSOL · BAUSCH HEALTH, CANADA INC.
DIN 02170140 · ended Jan 22, 2024 · Demand increase for the drug.
Resolved
VIRAZOLE
6G · POWDER FOR SOLUTION
AEROSOL · BAUSCH HEALTH, CANADA INC.
DIN 02170140 · ended Oct 30, 2023 · Demand increase for the drug.
Discontinued
IBAVYR
200MG · TABLET · PENDOPHARM DIVISION OF PHARMASCIENCE INC
DIN 02439212
Discontinued
IBAVYR
400MG · TABLET · PENDOPHARM DIVISION OF PHARMASCIENCE INC
DIN 02425890
Resolved
VIRAZOLE
6G · POWDER FOR SOLUTION
AEROSOL · BAUSCH HEALTH, CANADA INC.
DIN 02170140 · ended Aug 1, 2022 · Delay in shipping of the drug.
Resolved
VIRAZOLE
6G · AEROSOL
POWDER FOR SOLUTION · BAUSCH HEALTH, CANADA INC.
DIN 02170140 · ended Aug 11, 2021 · Registration of New API Supplier
Resolved
IBAVYR
200MG · TABLET · PENDOPHARM DIVISION OF PHARMASCIENCE INC
DIN 02439212 · ended Mar 31, 2020 · Demand increase for the drug.
Resolved
IBAVYR
200MG · TABLET · PENDOPHARM DIVISION OF PHARMASCIENCE INC
DIN 02439212 · ended Jan 20, 2020 · Demand increase for the drug.
Showing 12 of 15 reports. All reports are on file with Health Canada.
What's happening
One or more Ribavirin products have been permanently discontinued by their manufacturers. If your product is affected, ask your pharmacist about equivalent products still on the market.
Recent changes
No changes recorded yet.
Common questions
What is Ribavirin used for?
An antiviral medicine used to treat chronic hepatitis C and certain viral infections.
When will Ribavirin 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 Ribavirin 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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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.