rxstat › Shortages › Dihydroergotamine

Dihydroergotamine shortage status

No current shortage

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

Dihydroergotamine has no current shortage reported in Canada. It has been in shortage before; the history is below.

A medication used to treat migraine and cluster headaches.

Products affected

0 / 1

Reports on file

Shortage history

Shortage history (red bands = periods in shortage).

Reports by product

The DIN is printed on your prescription label.

Resolved

DIHYDROERGOTAMINE (DHE), 1MG/ML

1MG · LIQUID · STERIMAX INC

DIN 00027243 · ended Mar 28, 2025 · Delay in shipping of the drug.

Resolved

DIHYDROERGOTAMINE (DHE), 1MG/ML

1MG · LIQUID · STERIMAX INC

DIN 00027243 · ended Jan 19, 2022 · One-time allocation of remaining stock will be available at McKesson on November 1st.

Resolved

DIHYDROERGOTAMINE (DHE), 1MG/ML

1MG · LIQUID · STERIMAX INC

DIN 00027243 · ended Jul 8, 2020 · Delay in shipping of the drug.

Resolved

DIHYDROERGOTAMINE (DHE), 1MG/ML

1MG · LIQUID · STERIMAX INC

DIN 00027243 · ended Apr 7, 2020 · Demand increase for the drug.

What's happening

There are no active shortage reports for Dihydroergotamine. Health Canada has 4 historical reports on file for this drug, so supply has been disrupted before; the change log below shows the history.

Dihydroergotamine is classified under “ANTIMIGRAINE PREPARATIONS” (ATC N02CA).

Recent changes

No changes recorded yet.

Common questions

What is Dihydroergotamine used for?

A medication used to treat migraine and cluster headaches.

When will Dihydroergotamine be back in stock in Canada?

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

Why is Dihydroergotamine 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.

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Related drugs (antimigraine preparations)

Almotriptan (Axert) Partial shortage 1 of 10 reported products affected Eletriptan (Relpax) Partial shortage 2 of 18 reported products affected · est. return Sep 29, 2026 Pizotifen (Sandomigran Ds) Partial shortage 1 of 1 reported products affected · est. return Jul 31, 2026 Rizatriptan (Maxalt Rpd) Partial shortage 8 of 37 reported products affected · est. return Dec 31, 2026 Zolmitriptan (Zomig Rapimelt) Partial shortage 10 of 28 reported products affected · est. return Jan 3, 2028 Sumatriptan (Imitrex) Shortage anticipated 0 of 23 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.