rxstat › Shortages › Siltuximab

Siltuximab (Sylvant) shortage status

No current shortage

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

Siltuximab has no current shortage reported in Canada. No active reports are on file.

An interleukin-6 inhibitor used to treat multicentric Castleman disease.

Products affected
0 / 1
Reports on file
1

Shortage history

2026

Shortage history (red bands = periods in shortage).

Reports by product

Resolved
SYLVANT
400MG · POWDER FOR SOLUTION · RECORDATI RARE DISEASES CANADA INC
DIN 02435136 · ended Mar 27, 2025 · Requirements related to complying with good manufacturing practices.

What's happening

There are no active shortage reports for Siltuximab.

Siltuximab is classified under “IMMUNOSUPPRESSANTS” (ATC L04AC).

Recent changes

Common questions

What is Siltuximab used for?

An interleukin-6 inhibitor used to treat multicentric Castleman disease.

When will Siltuximab be back in stock in Canada?

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

Why is Siltuximab 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.

Email alerts

Get an email when this drug's status changes. Double opt-in, one-click unsubscribe.

Related drugs (immunosuppressants)

Apremilast Widespread shortage 2 of 3 reported products affected Adalimumab (Hulio) Partial shortage 1 of 7 reported products affected Apremilast Partial shortage 1 of 1 reported products affected · est. return Sep 25, 2026 Basiliximab (Simulect) Partial shortage 1 of 1 reported products affected Cyclosporine (Restasis Multidose) Partial shortage 1 of 9 reported products affected · est. return Jul 30, 2027 Fingolimod (Gilenya) Partial shortage 3 of 8 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.