Home / Valproic Acid / Canada
CA ATC N03AG01 · updated 2 Nov 2026
Valproic Acid shortage in Canada
Is there a Valproic Acid shortage in Canada?
Yes. As of 2 Nov 2026, 3 Valproic Acid products are reported short in Canada, the first since 26 Jan 2022. The company estimate for the return is 1 Jun 2027. Main reason: manufacturing problem.
Also short in United States, France, Italy, Spain, Austria, Czechia, Sweden, Japan, New Zealand. All countries.
Affected products in Canada
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| CA | PMS-VALPROIC ACID E.C. (100) | PHARMASCIENCE INC | 26 Jan 2022 | not given | Manufacturing problem Disruption of the manufacture of the drug |
| CA | APO-VALPROIC ACID ORAL SOLUTION (450 mL) | APOTEX INC | 5 Sep 2023 | not given | Manufacturing problem Disruption of the manufacture of the drug |
| CA | PMS-VALPROIC ACID (100) | PHARMASCIENCE INC | 16 Mar 2025 | 1 Jun 2027 | Manufacturing problem Disruption of the manufacture of the drug |
Source
Health Canada, Health Product Shortages Canada. Official list. Mandatory company reports since 2017: actual and anticipated shortages, plus products about to be discontinued.