Cognitive psychotherapy was originally created for out-patient treatment of mild and moderate, non-psychotic, unipolar depressive disorder. Further development of the therapy resulted in its use in various mental disorders. Cognitive therapy has also been used in wide spectrum of affective disorders, including severe, endogenous depression, chronic depression, bipolar disorder and suicidality. Therapeutic programs involve individual, group, family and marital cognitive psychotherapy. Effectiveness and clear conceptualization encourages to wide use of this kind of therapy.