Known as: DEXTROMETHORPHAN HYDROBROMIDE 10 mg in 5 mL / GUAIFENESIN 100 mg in 5 mL ORAL LIQUID [Tussin DM Cough suppressant/Expectorant], DEXTROMETHORPHAN HYDROBROMIDE 10 mg in 5 mL / GUAIFENESIN 100 mg in 5 mL ORAL SOLUTION, DEXTROMETHORPHAN HYDROBROMIDE 10 mg in 5 mL / GUAIFENESIN 100 mg in 5 mL ORAL SOLUTION [Iophen DM NR]