Active substance

Diphenhydramine Hcl and Zinc Acetate

3 products from 3 companies contain this in United States.

3 without prescriptionSprayAerosol, Spray

Available without a prescription

Extra Strength Itch Relief20 mg/g + 1 mg/gWithout prescriptionSpray Meijer Distribution Inc · Diphenhydramine Hcl and Zinc Acetate Extra Strength Itch Relief20 mg/g + 1 mg/gWithout prescriptionSpray Chain Drug Marketing Association Inc · Diphenhydramine Hcl and Zinc Acetate Itch Relief1.5 g/76g + .076 g/76gWithout prescriptionAerosol, Spray CVS Pharmacy · Diphenhydramine Hcl and Zinc Acetate

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.