alpha-1 Adrenergic Agonist

Established Pharmacologic Class (EPC) Comparison, United States, 2022

Total Prescriptions in (2022)

Drug Name	Total Prescriptions (2022)	Percent Share
Chlorpheniramine; Phenylephrine	107,375	33.2%
Dextromethorphan; Guaifenesin; Phenylephrine	54,843	17%
Dexchlorpheniramine; Dextromethorphan; Phenylephrine	36,371	11.3%
Chlorpheniramine; Dextromethorphan; Phenylephrine	30,391	9.4%
Codeine; Phenylephrine; Promethazine	26,799	8.3%
Brompheniramine; Dextromethorphan; Phenylephrine	19,849	6.1%
Dexbrompheniramine; Dextromethorphan; Phenylephrine	17,778	5.5%
Dextromethorphan; Pheniramine; Phenylephrine	16,261	5%
Dexbrompheniramine; Phenylephrine	7,498	2.3%
Brompheniramine; Phenylephrine	6,062	1.9%

Total Prescriptions by Drug Over Time

Drug Class Prescribing Trends Over Time

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2013-2022. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 2024.08. 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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