Active substance

Calamine + Diphenhydramine Hydrochloride

3 products from 3 companies contain this in Canada.

3 without prescriptionsuspension

Available without a prescription

CALAMINE LOTION WITH ANTIHISTAMINE8 % + 1 %Without prescriptionsuspension Teva Canada Limited · Calamine + Diphenhydramine Hydrochloride · D04AA32 CALAMINE LOTION WITH ANTIHISTAMINE8 % + 1 %Without prescriptionsuspension Cellchem Pharmaceuticals Inc. · Calamine + Diphenhydramine Hydrochloride · D04AA32 LOTION CALAMINE AVEC ANTIHISTAMINIQUE8 % + 1 %Without prescriptionsuspension Laboratoire Atlas Inc · Calamine + Diphenhydramine Hydrochloride · D04AA32

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.