Compositions and methods tor the treatment of depression and psychoses in humans are disclosed. More particularly, the invention is directed to formulations containing antipsychotic and/or antidepressant medications and also containing an NMDAR antagonist. The present invention is also directed to methods for the treatment of humans suffering from depression and other psychoses, including, schizophrenia, by administration of the inventive compositions in antidepressant and/or antipsychotic effective amounts.
