rxstat › Shortages › Disopyramide

Disopyramide (Rythmodan) shortage status

Discontinued

Source: Health Canada shortage reports · Updated Nov 4, 2026

Disopyramide products have been discontinued in Canada. See the reports below for which products and when.

An antiarrhythmic medication used to treat abnormal heart rhythms.

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

RYTHMODAN

100MG · CAPSULE · CHEPLAPHARM ARZNEIMITTEL GMBH

DIN 02224801 · ended Jul 14, 2026 · Disruption of the manufacture of the drug.

Discontinued

RYTHMODAN

100MG · CAPSULE · CHEPLAPHARM ARZNEIMITTEL GMBH

DIN 02224801

Resolved

RYTHMODAN

100MG · CAPSULE · CHEPLAPHARM ARZNEIMITTEL GMBH

DIN 02224801 · ended Mar 8, 2022 · Disruption of the manufacture of the drug.

What's happening

One or more Disopyramide products have been permanently discontinued by their manufacturers. If your product is affected, ask your pharmacist about equivalent products still on the market.

Disopyramide is classified under “ANTIARRHYTHMICS, CLASS I AND III” (ATC C01BA).

Recent changes

Nov 4, 2026 Shortage resolved
Nov 4, 2026 New report filed

Common questions

What is Disopyramide used for?

An antiarrhythmic medication used to treat abnormal heart rhythms.

When will Disopyramide 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 Disopyramide 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.

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Related drugs (antiarrhythmics, class i and iii)

Procainamide (Procan) Widespread shortage 4 of 5 reported products affected Flecainide Partial shortage 2 of 8 reported products affected · est. return Apr 30, 2027 Lidocaine (Xylocaine) Partial shortage 2 of 24 reported products affected Amiodarone No current shortage Bretylium Tosylate Discontinued 0 of 1 reported products affected Mexiletine No current shortage

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.