Uncompetitive N-methyl-D-aspartate Receptor Antagonist

Established Pharmacologic Class (EPC) Comparison, United States, 2017

Total Prescriptions in (2017)

Drug Name	Total Prescriptions (2017)	Percent Share
Brompheniramine Maleate; Dextromethorphan Hydrobromide; Pseudoephedrine Hydrochloride	987,695	66.3%
Dextromethorphan Hydrobromide; Promethazine Hydrochloride	502,709	33.7%

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2007-2017. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 20.1. Read more about the ClinCalc DrugStats database.