Albutussin; Canfodion; Cosylan; Demorphine; Destrometerfano; Dextromethorfan; Dextromethorphane; Dextromethorphanum; Dextrometorfano; Dextrometorphan; Dextromorphan; Dexyromethorphan; Dormetan; Levomethorphan; Levomethorphane; Levomethorphanum; Levometorfano; Methorphan; RACEMETHORPHAN; Trocal; Balminil DM; Balminil DM Children; Benylin Adult Formula Cough Suppressant; Benylin DM for Children; Benylin Pediatric Cough Suppressant; Delsym Cough Formula; Demorphan hydrobromide; Destrometerfano [DCIT]; Dextromethorfan [Czech]; Dextromethorphan Bromhydrate; Hold DM; Koffex DM; Novahistex DM; Novahistine DM; Pertussin DM Extra Strength; Robitussin Maximum Strength Cough Suppressant; Robitussin Pediatric; Robitussin Pediatric Cough Suppressant; Triaminic DM Long Lasting for Children; BA 2666; Benylin DM 12 Hour; Benylin DM for Children 12 Hour; Sucrets 4 Hour Cough Suppressant; Vicks 44 Cough Relief; Calmylin #1; Cough-X; Creo-Terpin; D-Methorphan; Delta-Methorphan; Dextromethorphan (USP); Dextromethorphane [INN-French]; Dextromethorphanum [INN-Latin]; Dextrometorfano [INN-Spanish]; Diabe-Tuss DM Syrup; Hihustan M.; L-Methorphan; Levomethorphane [INN-French]; Levomethorphanum [INN-Latin]; Levometorfano [INN-Spanish]; Neurodex (TN); Pertussin CS Children's Strength; Romilar (TN); Dextromethorphan [USP:INN:BAN]; Levomethorphan [BAN:DCF:INN]; Levomethorphan [INN:BAN:DCF]; Morphinan, 3-methoxy-17-methyl-, (9-alpha,13-alpha,14-alpha)-(9CI); Cis-1,3,4,9,10,10a-Hexahydro-6-methoxy-11-methyl-2H-10,4alpha-iminoethanophenanthren; (+)-3-Methoxy-17-methylmorphinan; (-)-3-Methoxy-N-methylmorphinan; (9alpha,13alpha,14alpha)-17-methyl-3-(methyloxy)morphinan; 3-Methoxy-17-methyl-9alpha,13alpha,14alpha-morphinan; 3-Methoxy-17-methylmorphinan; 3-Methoxy-N-methylmorphinon; 9alpha,13alpha,14alpha-Morphinan, 3-methoxy-17-methyl-(8CI)