Active substance

Acetaminophen, Dextromethorphan Hbr, Phenylephrine Hcl and Acetaminophen, Dextromethorphan Hbr, Doxylamine Succinate

3 products from 3 companies contain this in United States.

3 without prescriptionKit

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.