Anhydrous Citric Acid; Magnesium Oxide; Sodium Picosulfate

Drug Usage Statistics, United States, 2013 - 2021

Anhydrous Citric Acid; Magnesium Oxide; Sodium Picosulfate Summary for 2021

Top drug rank #340 ( 78)
Estimated number of prescriptions in the United States (2021) 130,956
Estimated number of patients in the United States (2021) 130,956
Average total drug cost (USD)  
Per prescription $153.30
Per day of therapy $154.50/day
Average out-of-pocket cost (USD)  
Per prescription $63.34
Per day of therapy $73.20/day

Total Prescriptions and Patients Per Year (2013 - 2021)

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
2019 437 -
2020 418  19
Year Rank Change
2021 340  78

Drug Cost Over Time (2013 - 2021)

  • 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 (2021)

No data available

Distribution of Days Supplied (2021)

"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 (2021)
Magnesium Salts 2,102,185
Polyethylene Glycol 3350 1,831,599
Sodium Salts 1,782,362
Lactulose 1,164,695
Polyethylene Glycol 3350 With Electrolytes 552,075
Magnesium 322,484
Bisacodyl 312,492
Aluminum Hydroxide; Dimethicone; Magnesium Hydroxide 145,902
Anhydrous Citric Acid; Magnesium Oxide; Sodium Picosulfate (this drug) 130,957
Magnesium 114,357
Citric Acid; Potassium Citrate 25,843
Aluminum Hydroxide; Magnesium Carbonate 17,329

Therapeutic Classes

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
  • Clenpiq
Generic Drug Synonyms and Salts
  • Sodium Picosulfate; Magnesium Oxide; Anhydrous Citric Acid
  • Anhydrous Citric Acid; Magnesium Oxide; Sodium Picosulfate

FDA Approval Information

Established Pharmacologic Class (EPC): Anti-coagulant, Calculi Dissolution Agent, Osmotic Laxative, Stimulant Laxative
Initial FDA approval date: 6/29/2018
First FDA applicant: Ferring Pharmaceuticals Inc.
First dosage form: Liquid (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2013-2021. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 2024.01. 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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