Browse drug classes

Find a class, then browse its recorded medications and Ontario listing requirements.

Anticonvulsants

Browse ingredients, then choose a strength and product. Ontario inventory only; not a treatment recommendation.

24 ingredients · 473 matching product records. Ontario extract: 2026-08-26.

Ingredient / brandsStrengths and formsOntario listingsBrowse
TOPIRAMATETopamax Sprinkle, Topamax, PMS-Topiramate and 15 more brands15mg Sprinkle Cap; 25mg Sprinkle Cap; 50mg Tab; 25mg Tab 2 more forms in product listLimited Use, codes 321; Off-Formulary Interchangeable, not an ODB benefit; General benefitVaries by product. Open the list to check.View 54 products
VALPROATE SODIUMDepakene, PMS-Valproic Acid, Apo-Valproic and 2 more brands50mg/mL O/LGeneral benefitView 5 products
VALPROIC ACIDDepakene, PMS-Valproic Acid, Apo-Valproic250mg Cap; 500mg Ent CapListed, not a benefit; General benefitVaries by product. Open the list to check.View 5 products
VIGABATRINVigabatrin for Oral Solution, USP 500mg, Sabril, Vigabatrin Tablets, USP500mg/Sachet Pd for Oral Sol; 500mg TabTemporary benefit; Limited Use, codes 136Varies by product. Open the list to check.View 3 products

Not seeing a product? Search Canadian records by medication name or DIN. Absence from this Ontario extract does not establish non-coverage. Open an exact product for its dated Health Canada status; a listing is not a stock check.

Class sources and program rules

Ontario Ministry of Health: odb-formulary-ed43-extract-2026-08-26.xml, extract 2026-08-26. Ontario class index: formulary-ed43-front-matter.txt, Part V.

28:12 Anticonvulsants.