alpha-Adrenergic Agonist

Established Pharmacologic Class (EPC) Comparison, United States, 2021

Total Prescriptions in (2021)

Drug Name Total Prescriptions (2021) Percent Share
Brimonidine 3,470,856 45.6%
Epinephrine 1,896,954 24.9%
Fexofenadine; Pseudoephedrine 829,016 10.9%
Brompheniramine; Dextromethorphan; Pseudoephedrine 584,348 7.7%
Loratadine; Pseudoephedrine 362,280 4.8%
Pseudoephedrine 295,652 3.9%
Pseudoephedrine; Triprolidine 102,352 1.3%
Cetirizine; Pseudoephedrine 66,267 0.9%
Guaifenesin; Pseudoephedrine 5,925 0.1%
Pseudoephedrine; Codeine; Guaifenesin 2,532 0%

Total Prescriptions by Drug Over Time

Drug Class Prescribing Trends Over Time

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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Which of these drugs causes acute kidney injury? The Top 250 Drugs by ClinCalc Academy
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Updated Sep 12, 2021
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