Active substance
Acetaminophen, Phenylephrine Hydrochloride, Dextromethorphan Hydrobromide, and Doxylamine Succinate
2 products from 2 companies contain this in United States.
2 without prescriptionKitCapsule, Liquid Filled
Available without a prescription
Cold and Flu Multi-Symptom Relief/Cold and Flu Nighttime ReliefWithout prescription Chain Drug Consortium, LLC · Acetaminophen, Phenylephrine Hydrochloride, Dextromethorphan Hydrobromide, and Doxylamine SuccinateVicks Nyquil Severe Cold and Flu10 mg + 6.25 mg + 5 mg + 325 mgWithout prescription The Procter & Gamble Manufacturing Company · Acetaminophen, Phenylephrine Hydrochloride, Dextromethorphan Hydrobromide, and Doxylamine Succinate
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.