Drug Usage Statistics, United States, 2013 - 2019

Potassium Summary for 2019

Top drug rank #34 ( 5)
Estimated number of prescriptions in the United States (2019) 20,001,670
Estimated number of patients in the United States (2019) 4,589,222
Average total drug cost (USD)  
Per prescription $37.80
Per day of therapy $0.76/day
Average out-of-pocket cost (USD)  
Per prescription $11.27
Per day of therapy $0.25/day

Total Prescriptions and Patients Per Year (2013 - 2019)

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 21  1
2014 22  1
2015 26  4
2016 32  6
Year Rank Change
2017 36  4
2018 39  3
2019 34  5

Drug Cost Over Time (2013 - 2019)

  • 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 (2019)

Dosage Form Strength % of Dispensed Products
Tablet/capsule 10 meq 48.4%
Tablet/capsule 20 meq 46.0%
Other, unspecified, or misc. 5.6%

Distribution of Days Supplied (2019)

"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.

Related Drugs

Drug Name Total Prescriptions (2019)
Potassium (this drug) 20,001,670
Sodium 2,117,734
Magnesium Acetate 1,712,179
Polyethylene Glycol 3350 With Electrolytes 1,245,687
Potassium Citrate 820,521
Magnesium Sulfate; Potassium Chloride; Sodium Sulfate 406,530
Sodium Picosulfate; Magnesium Oxide; Anhydrous Citric Acid 112,873
Sodium; Citric Acid 58,761

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
  • K+10
  • K+8
  • K-lease
  • K-tab
  • Kaon CL
  • Kaon CL-10
  • Klor-con
  • Klor-con M10
  • Klor-con M15
  • Klor-con M20
  • Klotrix
  • Micro-k
  • Micro-k 10
  • Micro-k LS
  • Potassium Chloride 10meq IN Plastic Container
  • Potassium Chloride 20meq IN Plastic Container
  • Potassium Chloride 30meq IN Plastic Container
  • Potassium Chloride 40meq IN Plastic Container
  • Potassium Chloride IN Plastic Container
  • Slow-k
  • Ten-k
  • Urocit-k
  • Potassium Chloride 10meq
  • Potassium Chloride 20meq
  • Potassium Chloride 40meq
  • DR. Sheffield Sensitive Care
  • Dyspepsia
  • Jason Total Protection Sensitive
  • Kali Nitricum
  • Sensodyne
  • Sprinjene Natural
  • Toms Natural Fluoride-free Strength Sensitive Wintermint
  • Effer-k
  • Klor-con/EF
  • Miracle Water 3 IN 1
  • Kali Sulph
  • Kali Sulphuricum
  • Kalium Sulfuricum 6X
  • Kali Bromatum
Generic Drug Synonyms and Salts
  • Potassium Acetate
  • Potassium Bicarbonate
  • Potassium Bitartrate
  • Potassium Bromide
  • Potassium Chloride
  • Potassium Gluconate
  • Potassium Hydroxide
  • Potassium Nitrate
  • Potassium Sulfate
  • Potassium

FDA Approval Information

Established Pharmacologic Class (EPC): Potassium Salt, Calculi Dissolution Agent, Anti-coagulant
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Rx
First dosage form: Tablet, Extended Release (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2013-2019. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 2021.10. 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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