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Letermovir shortage status

No current shortage

Source: Health Canada shortage reports · Updated Jul 9, 2026

Letermovir has no current shortage reported in Canada. It has been in shortage before; the history is below.
Products affected
0 / 3
Reports on file
6

Reports by product

Discontinued
PREVYMIS
20MG · SOLUTION · MERCK CANADA INC
DIN 02469405
Resolved
PREVYMIS
20MG · SOLUTION · MERCK CANADA INC
DIN 02469405 · ended Sep 27, 2024 · Demand increase for the drug.
Resolved
PREVYMIS
20MG · SOLUTION · MERCK CANADA INC
DIN 02469405 · ended Mar 27, 2024 · Demand increase for the drug.
Resolved
PREVYMIS
20MG · SOLUTION · MERCK CANADA INC
DIN 02469367 · ended Jun 4, 2020 · Disruption of the manufacture of the drug.
Resolved
PREVYMIS
20MG · SOLUTION · MERCK CANADA INC
DIN 02469405 · ended Jun 4, 2020 · Disruption of the manufacture of the drug.
Resolved
PREVYMIS
240MG · TABLET · MERCK CANADA INC
DIN 02469375 · ended May 24, 2018 · Demand increase for the drug.

What's happening

There are no active shortage reports for Letermovir. Health Canada has 6 historical reports on file for this drug, so supply has been disrupted before; the change log below shows the history.

Letermovir is classified under “DIRECT ACTING ANTIVIRALS” (ATC J05AX).

Recent changes

Common questions

When will Letermovir be back in stock in Canada?

Letermovir has no active shortage; supply is normal per Health Canada reports.

Why is Letermovir in shortage?

It isn't currently. Past reports and their reasons are listed above.

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.

Related drugs (direct acting antivirals)

Partial shortageAdefovir Dipivoxil1 of 2 reported products affectedPartial shortageAtazanavir3 of 8 reported products affectedPartial shortageDarunavir2 of 9 reported products affected · est. return Jul 24, 2026Partial shortageEfavirenz1 of 6 reported products affectedPartial shortageEfavirenz Tenofovir Disoproxil Emtricitabine3 of 7 reported products affected · est. return Dec 31, 2026Partial shortageEntecavir2 of 5 reported products affected · est. return Aug 7, 2026

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.