Active substance
Guaifenesin 200 Mg
2 products from 2 companies contain this in United States.
2 without prescriptionTablet
Available without a prescription
Mucus Relief200 mgWithout prescription Richmond Pharmaceuticals, Inc. · Guaifenesin 200 MgMucus Relief200 mgWithout prescription Aphena Pharma Solutions - Tennessee, LLC · Guaifenesin 200 Mg
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.