Amyotrophic Lateral Sclerosis Market Insight, Epidemiology and Market Forecast -2030 ... may respond to magnesium supplements, quinine sulfate, gabapentin, or carbamazepine ... report… Nuedexta (dextromethorphan hydrobromide/quinidine sulfate): Avanir ... combination of two components; dextromethorphan hydrobromide (20 mg), the ingredient active in ...