alpha-Adrenergic Agonist

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

Total Prescriptions in (2020)

Drug Name Total Prescriptions (2020) Percent Share
Brimonidine 3,271,308 37.2%
Epinephrine 1,730,367 19.7%
Brimonidine; Timolol 1,661,947 18.9%
Loratadine; Pseudoephedrine 570,979 6.5%
Brompheniramine; Dextromethorphan; Pseudoephedrine 556,973 6.3%
Fexofenadine; Pseudoephedrine 386,927 4.4%
Pseudoephedrine 278,351 3.2%
Chlophedianol; Pseudoephedrine; Pyrilamine 195,776 2.2%
Guaifenesin; Pseudoephedrine 108,699 1.2%
Cetirizine; Pseudoephedrine 43,538 0.5%

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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