rxstat › Classes › Antimigraine Preparations

Antimigraine Preparations: shortage status in Canada

5 of the 9 antimigraine preparations rxstat tracks are currently in shortage in Canada. When one drug in a class is short, demand often shifts to its alternatives, so related drugs can tighten too; each page below shows which manufacturers are affected and the latest recovery estimates.
Partial shortageAlmotriptan1 of 10 reported products affected · est. return Jan 23, 2026Partial shortageEletriptan1 of 18 reported products affected · est. return Jul 28, 2026Partial shortagePizotifen1 of 1 reported products affected · est. return Jul 31, 2026Partial shortageRizatriptan9 of 37 reported products affected · est. return Dec 31, 2026Partial shortageZolmitriptan11 of 28 reported products affected · est. return Jan 3, 2028No current shortageDihydroergotamineNo current shortageFrovatriptanNo current shortageNaratriptanNo current shortageSumatriptan

Guides: what to do when your medication is in shortage · how to read these statuses

Class groupings follow the WHO ATC classification in Health Canada's reports. Data reflects manufacturer mandatory filings; see methodology.