Skip to main content


Important: The information below refers to products available in the United States that contain quinidine.

Product(s) containing quinidine:

quinidine systemic

Brand names: Cardioquin, Quinidex Extentabs, Quinaglute Dura-Tabs, Quinora
Drug class(es): group I antiarrhythmics
Quinidine systemic is used in the treatment of:

Multi-ingredient medications containing quinidine:

dextromethorphan/quinidine systemic

Brand names: Nuedexta
Drug class(es): miscellaneous central nervous system agents
Dextromethorphan/quinidine systemic is used in the treatment of:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.