Active substance

Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl

6 products from 6 companies contain this in United States.

6 without prescriptionKit

Available without a prescription

Day and Night SinusWithout prescriptionKit Wal-Mart Stores Inc · Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl Daytime Nighttime Sinus ReliefWithout prescriptionKit Target Corporation · Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl Sinus Pressure and Pain Daytime Nighttime Maximum StrengthWithout prescriptionKit Walgreen Company · Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl Sinus Relief Daytime NighttimeWithout prescriptionKit Kroger Company · Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl Sinus Relief Daytime, NighttimeWithout prescriptionKit Rite Aid Corporation · Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl Sinus Relief Daytime, Nighttime, Maximum StrengthWithout prescriptionKit CVS PHARMACY · Acetaminophen, Diphenhydramine Hcl, Guaifenesin, Phenylephrine Hcl

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.