Guaifenesin; Phenylephrine

Drug Usage Statistics, United States, 2013 - 2020

Guaifenesin; Phenylephrine Summary for 2020

Top drug rank #476 ( 29)
Estimated number of prescriptions in the United States (2020) 3,809
Estimated number of patients in the United States (2020) 3,809
Average total drug cost (USD)  
Per prescription $21.11
Per day of therapy $2.11/day
Average out-of-pocket cost (USD)  
Per prescription $21.11
Per day of therapy $2.11/day

Total Prescriptions and Patients Per Year (2013 - 2020)

Rank of Top Drugs Over Time

"Rank" refers to the frequency that a given medication is prescribed within a calendar year compared to all other medications. A rank of "4" would indicate that the medication was the fourth most commonly prescribed medication.

Year Rank Change
2013 479  257
2014 473  6
Year Rank Change
2018 453 -
2019 447  6
2020 476  29

Drug Cost Over Time (2013 - 2020)

  • Cost Per Prescription Fill: Average cost per filled prescription regardless of how many days of therapy the prescription is filled for (e.g. 10 days, 30 days, 90 days, etc.)
  • Cost per Day of Therapy: The average cost per prescription fill divided by the days of therapy. For example, a 10-day antibiotic course costing $30 would be $3 per day. Similarly, a 30-day supply of an oral antihypetensive costing $30 would be $1 per day.

  • Total cost: The average total cost of the medication including the out-of-pocket cost (see below) plus the amount paid by other parties (Medicare, Medicaid, private insurance, Veterans Administration, TRICARE, other state/federal sources, Worker's compensation, and other miscellaneous sources)
  • Out-of-pocket cost: The average payment made by the patient which may include deductibles, coinsurance, copayments, or the cash price paid without insurance coverage.

Cost Per Prescription Fill (USD)

Cost Per Day of Therapy (USD/day)

Distribution of Dispensed Dosage Forms (2020)

No data available

Distribution of Days Supplied (2020)

"Days supply" is defined as the number of days that a prescription should last. For example, a prescription of 60 tablets that is taken twice daily has a day supply of 30 days.

Drug Synonyms

Drug synonyms are used during the sanitation and standardization process of "cleaning" the original data source (MEPS). Occassionally, brand names may be listed below that are no longer on the market or are very infrequently used.

Brand Name Synonyms
  • Auromucus - Childrens Stuffy Nose And Cold
  • Baczol Expectorant
  • Childrens Stuffy Nose And Cold
  • Cvs - Childrens Stuffy Nose And Cold
  • Cvs Chest Congestion Relief PE
  • Cvs Health Chest Congestion Relief PE
  • Deconex IR
  • ED Bron GP
  • Gilphex TR
  • Giltuss Sinus And Chest Congestion
  • Gnp Mucus Relief
  • Good Neighbor Pharmacy Mucus Relief PE
  • Maxi-tuss PE JR
  • Maxi-tuss PE Max
  • Mucinex Childrens
  • Mucus Relief PE
  • Mucus Relief PE Sinus Congestion
  • Mucus Relief Sinus
  • Pharbinex-PE
  • Rescon GG
  • Rugby Chest Congestion Relief
  • Sinus Relief PE
  • Sunmark Chest Congestion Relief PE
  • Supress-PE
  • Topcare Chest Congestion And Sinus Congestion Relief PE
  • Tusnel Pediatric Drops
  • Walgreens
Generic Drug Synonyms and Salts
  • Guaifenesin; Phenylephrine Hydrochloride
  • Phenylephrine Hydrochloride; Guaifenesin
  • Guaifenesin; Phenylephrine

FDA Approval Information

Established Pharmacologic Class (EPC): Expectorant, alpha-1 Adrenergic Agonist
Initial FDA approval date: 1/1/1999
First FDA applicant: Capellon Pharmaceuticals, Llc
First dosage form: Liquid (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2013-2020. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 2022.08. Read more about the ClinCalc DrugStats database.

All ClinCalc DrugStats figures and graphs on this page are licensed under Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0).


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Updated Sep 12, 2021
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