Browse drug classes

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

ANTIHISTAMINES

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

4 ingredients · 39 matching product records. Ontario extract: 2026-08-26.

Ingredient / brandsStrengths and formsOntario listingsBrowse
BILASTINEJamp Bilastine Oral Solution, Blexten, Sandoz Bilastine and 8 more brands2.5mg/mL Oral Sol; 20mg TabOff-Formulary Interchangeable, not an ODB benefitView 12 products
CETIRIZINE HYDROCHLORIDEReactine, Apo-Cetirizine, Extra Strength Allergy Relief and 12 more brands10mg Tab; 20mg TabOff-Formulary Interchangeable, not an ODB benefitView 21 products
LORATADINEClaritin, Apo-Loratadine10mg TabOff-Formulary Interchangeable, not an ODB benefitView 2 products
RUPATADINERupall, PMS-Rupatadine, Apo-Rupatadine and 1 more brand10mg TabOff-Formulary Interchangeable, not an ODB benefitView 4 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.

04:00 ANTIHISTAMINES.