rxstatShortages › Olsalazine

Olsalazine shortage status

Partial shortage

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

Some Olsalazine products are in shortage in Canada (1 of 1 reported products), while others remain available. Your pharmacy may be able to substitute an unaffected manufacturer. The latest estimate for affected products to return is Apr 1, 2026.
Products affected
1 / 1
In shortage since
Jul 5, 2022
Est. full return
Apr 1, 2026
Reports on file
4
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
DIPENTUM
250MG · CAPSULE · ATNAHS PHARMA UK LIMITED
DIN 02063808 · since Jul 5, 2022, est. end Apr 1, 2026 · Other (Please describe in comments)
Active shortage
DIPENTUM
250MG · CAPSULE · ATNAHS PHARMA UK LIMITED
DIN 02063808 · since Nov 5, 2022, est. end Apr 1, 2026 · Other (Please describe in comments)
Active shortage
DIPENTUM
250MG · CAPSULE · ATNAHS PHARMA UK LIMITED
DIN 02063808 · since Nov 5, 2022, est. end Mar 31, 2026 · Other (Please describe in comments)
Resolved
DIPENTUM
250MG · CAPSULE · ATNAHS PHARMA UK LIMITED
DIN 02063808 · ended Nov 24, 2023 · Other (Please describe in comments)

What's happening

Olsalazine is currently affected by an active shortage report filed with Health Canada by ATNAHS PHARMA UK LIMITED.

The reported cause is: other (please describe in comments). 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.

Olsalazine is classified under “INTESTINALANTIINFLAMMATORY AGENTS” (ATC A07EC).

Recent changes

Common questions

When will Olsalazine be back in stock in Canada?

The latest manufacturer estimate is Apr 1, 2026. Estimates are self-reported and often slip; this page updates automatically when they change.

Why is Olsalazine 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 (intestinalantiinflammatory agents)

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.