Is Nuedexta a Controlled Substance? No

No. Nuedexta (dextromethorphan and quinidine) is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and dextromethorphan and quinidine is not on the DEA controlled substances list.

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Schedule check

Schedule sources for Nuedexta
Source	What it lists
FDA NDC directory	2 prescription listings from 2 labelers, none with a DEA schedule
DEA controlled substances list	dextromethorphan and quinidine is not on the list

Nuedexta NDC listings

NDC listings for Nuedexta
NDC	Product	Form	Strength	Labeler	DEA schedule
59148-053	Nuedexta	capsule, gelatin coated	20 mg/1; 10 mg/1	Otsuka America Pharmaceutical, Inc	None
64597-301	NUEDEXTA	capsule, gelatin coated	20 mg/1; 10 mg/1	Avanir Pharmaceuticals, Inc.	None

Questions

Is Nuedexta a controlled substance?

No. Nuedexta (dextromethorphan and quinidine) is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and dextromethorphan and quinidine is not on the DEA controlled substances list.

Is Nuedexta a narcotic?

No. Nuedexta (dextromethorphan and quinidine) is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is Antiarrhythmic and Cytochrome P450 2D6 Inhibitor and Sigma-1 Agonist and Uncompetitive N-methyl-D-aspartate Receptor Antagonist.

Does this page cover state schedules?

No. This page reports the federal schedule only. Some states schedule drugs on their own; check your state board of pharmacy.