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Adefovir Dipivoxil shortage status

Partial shortage

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

Some Adefovir Dipivoxil products are in shortage in Canada (1 of 2 reported products), while others remain available. Your pharmacy may be able to substitute an unaffected manufacturer.
Products affected
1 of 2
In shortage since
Jun 30, 2022
Reports on file
3
Talk to your pharmacist. Pharmacists can often substitute another manufacturer's version, a different strength, or (in most provinces) adapt or renew a prescription on the spot. Your free provincial health line is 811.

Reports by product

Active shortage
AA-ADEFOVIR
10MG · TABLET · AA PHARMA INC
DIN 02420333 · since Jun 30, 2022, no end estimate · Disruption of the manufacture of the drug.
Discontinued
HEPSERA
10MG · TABLET · GILEAD SCIENCES CANADA INC
DIN 02247823
Resolved
APO-ADEFOVIR
10MG · TABLET · APOTEX INC
DIN 02420333 · ended Aug 13, 2020 · Disruption of the manufacture of the drug.

What's happening

Adefovir Dipivoxil is currently affected by an active shortage report filed with Health Canada by AA PHARMA INC.

The reported cause is: disruption of the manufacture of the drug. Manufacturers must report shortages, but end-date estimates are their own projections and often move.

If your usual product is affected, a pharmacist is the fastest route to a solution: they can dispense an unaffected manufacturer's equivalent when one exists, and in most provinces can adapt doses or substitute a therapeutic alternative without a new appointment.

Adefovir Dipivoxil is classified under “DIRECT ACTING ANTIVIRALS” (ATC J05AF).

Recent changes

Common questions

When will Adefovir Dipivoxil 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 Adefovir Dipivoxil 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.

Related drugs (direct acting antivirals)

Partial 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 Jul 24, 2026Partial shortageFamciclovir3 of 17 reported products affected

All direct acting antivirals shortage statuses →

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.