Dextromethorphan Hydrobromide Quinidine Sulfate

Drug Index

Dextromethorphan, often referred to as DXM, is a medication most often used as a cough suppressant in over-the-counter cold and cough medicines. It is sold in syrup, tablet, spray, and lozenge forms. It is in the morphinan class of medications with sedative, dissociative, and stimulant properties (at lower doses). Dextromethorphan does not have a significant affinity for the mu-opioid receptor activity typical of morphinan compounds and exerts its therapeutic effects through several other rec...

NDC Database

Nuedexta (Dextromethorphan Hydrobromide 20 mg / Quinidine Sulfate 10 mg) Oral Capsule by Avanir Pharmaceuticals, Inc. ## Markings: DMQ;20;10 ## Shape: Capsule ## Color: Red ## Package Codes: 64597-301-13, 64597-301-60 ## Active Ingredients: Dextromethorphan Hydrobromide + Quinidine Sulfate