[Manic-depressive states induced by drugs and various diseases]

Manic-depressive states caused by drugs and various diseases consist of symptomatic psychosis, organic psychosis and toxic psychosis. Disturbance of consciousness is common to symptomatic psychosis. Emotional disturbance is associated with it. Dementia, personality change and disturbance of consciousness are common to organic psychosis. Emotional disturbance is also associated with these. Drug-induced manic-depressive states are classified by some studies. Drug-induced manic-depressive states are often caused by drugs for physical diseases. They are not originally psychotropic drugs. And they have affinity to the central nerve system, to some degree. Interferons cause disturbance of consciousness or delirious state in the acute phase and depressive state or numerous psychiatric symptoms in the chronic phase.