These terms were matched with 'depression', 'MDD', 'dysthymia', 'psychotic depression' and 'antidepressant'. The studies found were verified for publication in peer-reviewed English journals.

Harvard researchers have found that M. morganii may contribute to depression by producing an inflammatory molecule.

Psychotic depression is a subtype of major depressive disorder where ... Treating bipolar disorder with psychotic features is different than treating bipolar disorder without psychosis.

However, they are two different disorders, each with its own diagnostic criteria and treatment. For instance, prominent mood ...

The differential diagnosis among these and with regard to other disorders with similar symptom features ... between manic and depressive symptoms without manic, mixed, or major depressive episodes ...