fonazine [ Banistyl,Promaquid,10-(2-(dimethylamino)propyl)-N,N-dimethylphenothiazine-2-sulfonamide monomethane sulfonate,Migristene,Rh+¦ne-Poulenc Rorer brand of fonazine,dimethothiazine,dimetotiazine,dimetotiazine mesilate,fonazine mesylate,fonazine monomesylate ] has considerable antiemetic & serotonin antagonistic action used mainly in allergic skin conditions; minor descriptor (75-84); on-line & Index Medicus search PHENOTHIAZINES (75-84); RN given refers to