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Last Updated: December 11, 2025

List of Excipients in API dextromethorphan hydrobromide and quinidine sulfate

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Excipients in NDA-approved (novel) drugs containing dextromethorphan hydrobromide and quinidine sulfate

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Company	Tradename	Ingredient	NDC	Excipient	Potential Generic Entry
Avanir Pharmaceuticals Inc	NUEDEXTA	dextromethorphan hydrobromide and quinidine sulfate	64597-301	CELLULOSE, MICROCRYSTALLINE
Avanir Pharmaceuticals Inc	NUEDEXTA	dextromethorphan hydrobromide and quinidine sulfate	64597-301	CROSCARMELLOSE SODIUM
Avanir Pharmaceuticals Inc	NUEDEXTA	dextromethorphan hydrobromide and quinidine sulfate	64597-301	LACTOSE MONOHYDRATE
Avanir Pharmaceuticals Inc	NUEDEXTA	dextromethorphan hydrobromide and quinidine sulfate	64597-301	MAGNESIUM STEARATE
Avanir Pharmaceuticals Inc	NUEDEXTA	dextromethorphan hydrobromide and quinidine sulfate	64597-301	SILICON DIOXIDE
>Company	>Tradename	>Ingredient	>NDC	>Excipient	>Potential Generic Entry

Excipients in ANDA-approved (generic) drugs containing dextromethorphan hydrobromide and quinidine sulfate

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Company	Ingredient	NDC	Excipient
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693	AMMONIA
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693	CROSCARMELLOSE SODIUM
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693	FERROSOFERRIC OXIDE
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693	GELATIN
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693	LACTOSE MONOHYDRATE
>Company	>Ingredient	>NDC	>Excipient

Detailed excipient profiles for dextromethorphan hydrobromide and quinidine sulfate

Excipient focus: AMMONIA

dextromethorphan hydrobromide and quinidine sulfate drug variants containing AMMONIA

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing AMMONIA

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: CELLULOSE, MICROCRYSTALLINE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing CELLULOSE, MICROCRYSTALLINE

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing CELLULOSE, MICROCRYSTALLINE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

Excipient focus: CROSCARMELLOSE SODIUM

dextromethorphan hydrobromide and quinidine sulfate drug variants containing CROSCARMELLOSE SODIUM

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing CROSCARMELLOSE SODIUM

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Company	Ingredient	NDC
>Company	>Ingredient	>NDC

Excipient focus: FERROSOFERRIC OXIDE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing FERROSOFERRIC OXIDE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing FERROSOFERRIC OXIDE

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: GELATIN

dextromethorphan hydrobromide and quinidine sulfate drug variants containing GELATIN

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing GELATIN

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: LACTOSE MONOHYDRATE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing LACTOSE MONOHYDRATE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing LACTOSE MONOHYDRATE

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Company	Ingredient	NDC
>Company	>Ingredient	>NDC

Excipient focus: MAGNESIUM STEARATE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing MAGNESIUM STEARATE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing MAGNESIUM STEARATE

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Company	Ingredient	NDC
>Company	>Ingredient	>NDC

Excipient focus: MICROCRYSTALLINE CELLULOSE 102

dextromethorphan hydrobromide and quinidine sulfate drug variants containing MICROCRYSTALLINE CELLULOSE 102

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing MICROCRYSTALLINE CELLULOSE 102

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: POTASSIUM HYDROXIDE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing POTASSIUM HYDROXIDE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing POTASSIUM HYDROXIDE

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: PROPYLENE GLYCOL

dextromethorphan hydrobromide and quinidine sulfate drug variants containing PROPYLENE GLYCOL

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing PROPYLENE GLYCOL

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: SHELLAC

dextromethorphan hydrobromide and quinidine sulfate drug variants containing SHELLAC

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing SHELLAC

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

Excipient focus: SILICON DIOXIDE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing SILICON DIOXIDE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing SILICON DIOXIDE

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Company	Ingredient	NDC
>Company	>Ingredient	>NDC

Excipient focus: TITANIUM DIOXIDE

dextromethorphan hydrobromide and quinidine sulfate drug variants containing TITANIUM DIOXIDE

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Company	Ingredient	NDC
Camber Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	31722-693
>Company	>Ingredient	>NDC

dextromethorphan hydrobromide and quinidine sulfate drug variants not containing TITANIUM DIOXIDE

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Company	Ingredient	NDC
Avanir Pharmaceuticals Inc	dextromethorphan hydrobromide and quinidine sulfate	64597-301
>Company	>Ingredient	>NDC

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