Active substance

Acetaminophen + Diphenhydramine Hydrochloride + Phenylephrine Hydrochloride

7 products from 3 companies contain this in Canada.

7 without prescriptionpowderpowder for solution

Available without a prescription

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.