Source: Health Canada shortage reports · Updated Oct 14, 2026
A shortage of Sildenafil is anticipated but not yet confirmed. 1 product(s) have anticipated-shortage reports on file with Health Canada.
A PDE5 inhibitor used to treat erectile dysfunction and pulmonary hypertension.
Products affected
0 / 30
Reports on file
89
Shortage history
Shortage history (red bands = periods in shortage).
Reports by product
The DIN is printed on your prescription label.
Anticipated
VIAGRA
100MG · TABLET · BGP PHARMA ULC
DIN 02239768 · Demand increase for the drug.
Resolved
REVATIO
0.8MG · SOLUTION · BGP PHARMA ULC
DIN 02341611 · ended Sep 21, 2026 · Disruption of the manufacture of the drug.
Resolved
REVATIO
0.8MG · SOLUTION · BGP PHARMA ULC
DIN 02341611 · ended May 21, 2026 · Demand increase for the drug.
Resolved
VIAGRA
50MG · TABLET · BGP PHARMA ULC
DIN 02239767 · ended May 20, 2026 · Disruption of the manufacture of the drug.
Resolved
VIAGRA
25MG · TABLET · BGP PHARMA ULC
DIN 02239766 · ended Mar 19, 2026 · Demand increase for the drug.
Resolved
REVATIO
20MG · TABLET · BGP PHARMA ULC
DIN 02279401 · ended Feb 25, 2026 · Disruption of the manufacture of the drug.
Resolved
VIAGRA
50MG · TABLET · BGP PHARMA ULC
DIN 02239767 · ended Feb 9, 2026 · Shortage of an active ingredient.
Resolved
TEVA-SILDENAFIL R
20MG · TABLET · TEVA CANADA LIMITED
DIN 02319500 · ended Jan 14, 2026 · Disruption of the manufacture of the drug.
Resolved
TEVA-SILDENAFIL
50MG · TABLET · TEVA CANADA LIMITED
DIN 02308746 · ended Dec 17, 2025 · Disruption of the manufacture of the drug.
Resolved
PMS-SILDENAFIL R
20MG · TABLET · PHARMASCIENCE INC
DIN 02412179 · ended Nov 30, 2025 · Disruption of the manufacture of the drug.
Resolved
TEVA-SILDENAFIL
100MG · TABLET · TEVA CANADA LIMITED
DIN 02308754 · ended Jun 4, 2025 · Disruption of the manufacture of the drug.
Resolved
SILDENAFIL
50MG · TABLET · PHARMASCIENCE INC
DIN 02317575 · ended Jan 8, 2025 · Disruption of the manufacture of the drug.
Showing 12 of 60 reports. All reports are on file with Health Canada.
What's happening
A manufacturer has told Health Canada it expects supply of Sildenafil to fall short of demand. Anticipated shortages sometimes resolve without patients noticing; this page updates as soon as the status changes.
Sildenafil is classified under “OTHER ANTIHYPERTENSIVES” (ATC C02KX).
Recent changes
Oct 14, 2026
New report filed
Sep 22, 2026
Shortage resolved
Sep 14, 2026
Estimated end date moved earlier : Oct 13, 2026 → Sep 29, 2026
Sep 9, 2026
Estimated end date moved earlier : Nov 10, 2026 → Oct 13, 2026
Sep 3, 2026
Estimated end date pushed back : Oct 13, 2026 → Nov 10, 2026
Aug 18, 2026
Estimated end date moved earlier : Nov 10, 2026 → Oct 13, 2026
Jul 20, 2026
New report filed
Common questions
What is Sildenafil used for?
A PDE5 inhibitor used to treat erectile dysfunction and pulmonary hypertension.
When will Sildenafil 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 Sildenafil 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.
Email alerts
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Drugs in the same therapeutic class, best-supplied first. These are not automatic substitutes: only your pharmacist or prescriber can judge whether a switch makes sense for you.
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.