A therapeutic combination, useful in a co-therapy method for prevention, alleviation or treatment of
psychosis, comprises a first agent and a second agent, wherein the first agent comprises at least one
psychosis-treating compound and the second agent comprises at least one compound according to Formula (III): or a pharmaceutically acceptable salt thereof, wherein R4 is one or more substituents independently selected from the group consisting of
hydrogen, halo,
alkyl, alkenyl, alkynyl, nitro, carboxy, formyl, carboxyamido,
aryl,
quaternary ammonium, haloalkyl,
aryl alkanoyl, hydroxy, alkoxy, amino, alkylamino, dialkylamino, aryloxy, mercapto, alkylthio, alkylmercapto, and disulfide; R3 is selected from the group consisting of
hydrogen,
alkyl, alkoxy, alkoxyalkyl,
aryl, N-alkoxy-N-alkylamino, and N-alkoxyamino; and R1 is
alkyl.