Critical (Tier 3) drug shortages in Canada

14 drugs · Shortages Health Canada has designated Tier 3, the most serious category, with the greatest impact on the health system.

Widespread shortageAminophylline2 of 3 reported products affected · est. return Aug 31, 2026Widespread shortageCalcitriol1 of 7 reported products affectedWidespread shortageCefazolin1 of 13 reported products affectedWidespread shortageCyclophosphamide4 of 10 reported products affected · est. return Jun 19, 2026Widespread shortageDexamethasone3 of 6 reported products affected · est. return Oct 2, 2026Widespread shortageDisopyramide1 of 1 reported products affectedWidespread shortageFamotidine3 of 13 reported products affected · est. return Sep 18, 2026Widespread shortageIfosfamide2 of 2 reported products affected · est. return Sep 30, 2026Widespread shortageMesna3 of 3 reported products affected · est. return Aug 31, 2026Widespread shortagePaclitaxel3 of 7 reported products affected · est. return Jul 17, 2026Widespread shortagePeginterferon Alfa-2a1 of 1 reported products affected · est. return Jun 30, 2026Widespread shortagePenicillin G Benzathine1 of 1 reported products affected · est. return Feb 26, 2027Widespread shortageSpironolactone6 of 8 reported products affected · est. return Aug 30, 2026Widespread shortageVerteporfin1 of 1 reported products affected · est. return Dec 31, 2026