rxstat › Shortages › Mefenamic Acid

Mefenamic Acid (Ponstan) shortage status

Discontinued

Source: Health Canada shortage reports · Updated Jul 23, 2026

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

A nonsteroidal anti-inflammatory drug used to relieve pain, including menstrual pain.

Products affected
0 / 2
Reports on file
9

Shortage history

2023 2024 2025 2026

Shortage history (red bands = periods in shortage).

Reports by product

The DIN is printed on your prescription label.

Resolved
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452 · ended Jul 22, 2026 · Disruption of the manufacture of the drug.
Resolved
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452 · ended Mar 17, 2025 · Disruption of the manufacture of the drug.
Resolved
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452 · ended Dec 10, 2024 · Disruption of the manufacture of the drug.
Resolved
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452 · ended Sep 4, 2024 · Disruption of the manufacture of the drug.
Resolved
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452 · ended Jan 26, 2024 · Disruption of the manufacture of the drug.
Resolved
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452 · ended Jul 13, 2021 · Disruption of the manufacture of the drug.
Discontinued
PONSTAN
250MG · CAPSULE · AA PHARMA INC
DIN 00155225
Resolved
PONSTAN
250MG · CAPSULE · AA PHARMA INC
DIN 00155225 · ended Jul 28, 2020 · Disruption of the manufacture of the drug.
Discontinued
MEFENAMIC
250MG · CAPSULE · AA PHARMA INC
DIN 02229452

What's happening

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

Mefenamic Acid is classified under “ANTIINFLAMMATORY/ANTIRHEUMATIC PROD.,NON-STEROIDS” (ATC M01AG).

Recent changes

Common questions

What is Mefenamic Acid used for?

A nonsteroidal anti-inflammatory drug used to relieve pain, including menstrual pain.

When will Mefenamic Acid 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 Mefenamic Acid 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 (antiinflammatory/antirheumatic prod.,non-steroids)

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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.