Diagnosis > Mood Disorders

Mood Disorders



Depressive Episode

  • Can be mild, moderate or severe

  • Characterised by low mood, anhedonia, anergia

  • Can include:

    • Poor concentration, attention, memory

    • Diurnal variation in mood

    • Reduced sleep with early morning wakening

    • Changes in appetite

    • Psychomotor changes

    • Reduced libido

    • Feelings of guilt, hopelessness, worthlessness

    • Poor self-esteem

    • Suicidal ideation

    • Psychotic features can be present - usually mood congruent


Click here to watch "Psychiatric Interviews for Teaching: Depression" - a video created by The University of Nottingham.


Recurrent Depressive Disorder

if depressive episodes are recurrent.


Persistent Mood Disorders

  • Dysthymia: A chronic depression of mood which does not currently fulfil the criteria for recurrent depressive disorder

  • Cyclothymia: A persistent instability of mood, involving numerous periods of mild depression and mild elation



Mood is elevated or irritable.

Can include:

  • Increased activity, pressured speech, racing thoughts, distractible, reduced sleep, psychomotor agitation, increased libido

  • Grandiosity, making inappropriate plans, overfamiliarity, overspending, risky behaviour

  • Psychotic features can be present - usually mood congruent

Marked disruption of functioning.


Click here to view "Psychiatric Interviews for Teaching: Mania" - a video created by The University of Nottingham.



  • Similar to mania but milder

  • No psychotic symptoms

  • Functioning not markedly impaired


Bipolar Affective Disorder

Two or more episodes of mood disturbance, the disturbance consisting on some occasions of mania or hypomania and on others depression.

Repeated episodes of mania or hypomania only are classified as bipolar.






Copyright 2012 RevisePsych

Last updated March 2020


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