Mood Disorders Flashcards
Image showing possible symptoms of major depressive disorder
What are the 2 most common mood disorders?
The two most common mood disorders are major depressive disorder and bipolar affective disorder (manic depressive illness).
Definition of major depressive disorder
Period of low mood lasting over 2 weeks that is characterised by a mixture of core, biological and cognitive symptoms. Core symptoms: low mood, anhedonia and fatigue.
Core symptoms of depression
Anhedonia
Anergia
Apathy
Biological symptoms of depression
Sleep disturbance; Appetite/weight disturbance; Low libido; Disturbed sleep (particularly early morning waking); Psychomotor agitation or retardation
Cognitive symptoms of depression
Impaired memory; Reduced concentration and attention; Guilt and worthlessness; Low self-esteem and confidence; Bleak view of the future; Ideas or acts of self-harm or suicide
What symptoms may patients develop in severe depression?
patients may develop delusions and hallucinations (psychotic depression). These are congruent to their mood e.g. nihilistic delusions.
Investigations for depression
Collateral history
Physical examination
Bloods: FBC, TFT, U&E
Rating Scale: PHQ9, HAD, CDI (children)
Risk Assessment
What must you always do in depression?
RISK ASSESS
PACES: What rating scales can be used for depression?
PHQ9, HAD, CDI (children)
What subtypes of depression exist?
Seasonal – worse in winter
Psychotic – with psychotic features
Atypical – mood reactivity is core feature, hyperphagia, hypersomnia, leaden feeling in limbs, hypersensitivity to rejection
Management of mild to moderate depression
Sleep hygiene
Arrange further assessment within 2 weeks
Low-Intensity Psychosocial Intervention (ALWAYS CBT)
NOTE: Do NOT routinely consider MEDICATION unless:
Past history of moderate or severe depression
Symptoms have been present for a long time (> 2 years)
Symptoms persist despite other interventions
NOTE: Do NOT recommend St. John’s wort but warn patients about uncertainty in dosing and drug interactions
Should you consider medication in mild to moderate depression?
Do NOT routinely consider MEDICATION unless:
Past history of moderate or severe depression
Symptoms have been present for a long time (> 2 years)
Symptoms persist despite other interventions
NOTE: Do NOT recommend St. John’s wort but warn patients about uncertainty in dosing and drug interactions
What does management of moderate to severe depression involve?
Provide a combination of:
Antidepressant medication
High-intensity psychological intervention (CBT or interpersonal therapy (IPT))
1st line medication for moderate to severe depression
SSRI (e.g. sertraline)
Best antidepressant for young people
Fluoxetine
Which drug class pose a risk of bleeding?
SSRIs, need to give PPI if they need NSAIDs
What drugs are at high risk of interactions?
Fluoxetine, parocetine
What drug is at high risk of discontinuation symptoms?
Paroxetine
What drug causes death from overdose?
Venlafaxine
What drug class often causes overdoses?
TCAs
What drugs are often stopped due to side effecgts?
Venlafaxine, duloxetine, TCAs
Which drug needs BP to be monitored?
Venlafaxine
Which drugs cause worsening hypertension?
venlafaxine, duloxetine
Which drugs cause postural hypertension and arrhythmia?
TCA
How often should medication be monitored in moderate to severe depression?
After starting antidepressant medication, review after 2 weeks for side-effects, then every 2-4 weeks thereafter for 3 months
Patients < 30 years or at increased risk of suicide should be followed-up after 1 week
Review response to treatment after 3-4 weeks
When should caution be exercised when switching antidepressants? Why?
From fluoxetine to other antidepressants (fluoxetine = long half-life)
From fluoxetine or paroxetine to a TCA (both drugs inhibit TCA metabolism so a lower starting dose may be needed)
To a new SSRI, SNRI or MAOI (risk of serotonin syndrome)
From non-reversible MAOI: a 2-week washout period is required (other antidepressants should not be prescribed during this period)
Important note when swithcing fluoxetine to other antidepressants
Fluoxetine has a long half life
Important note when switching from fluoxetine or paroxetine to a TCA
both drugs inhibit TCA metabolism so need a lower starting dose
Important note when switching to a new SSRI, SNRI, or MAOI
RISK OF SERETONIN SYNDROME
Important note when switching from non-reversible MAOI
a 2-week washout period is required (other antidepressants should not be prescribed during this period)
Management of complex and severe depression
Use crisis resolution and home treatment teams to manage crises
Develop a crisis plan that identified potential triggers and strategies to manage triggers (share with the GP and any other people involved in the patient’s care)
Consider inpatient treatment if significant risk of suicide, self-harm or self-neglect
Consider ECT for acute treatment of severe depression and when a rapid response is required
PACES: Who should be used to manage crises in complex and severe depression?
Crisis resolution and home treatment teams
When to consider inpatient treatment in depression?
if significant risk of suicide, self-harm or self-neglect
When is ECT used in depression?
If tretment regractory