Phenothiazine

Established Pharmacologic Class (EPC) Comparison, United States, 2020

Total Prescriptions in (2020)

Drug Name Total Prescriptions (2020) Percent Share
Promethazine 2,309,125 59.6%
Dextromethorphan; Promethazine 654,636 16.9%
Prochlorperazine 609,966 15.8%
Codeine; Promethazine 297,893 7.7%

Total Prescriptions by Drug Over Time

Drug Class Prescribing Trends Over Time


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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