Depression Flashcards
*What does the letter ‘In’ refer to in the acronym In.SAD.CAGE S ?
(1) In terest : Decreased interest and pleasure in normal activities
*What does the first letter ‘S’ refer to in the acronym In.SAD.CAGE S ?
(2) S leep : Insomnia or hypersomnia
*What does the 1st letter ‘A’ refer to in the acronym In.SAD.CAGE S ?
(3) A ppetite : Decreased appetite, weight loss
*What does the letter ‘D’ refer to in the acronym In.SAD.CAGE S ?
(4) D epressed : Depressed mood (adults); NB: may be irritable mood in children
*What does the letter ‘C’ refer to in the acronym In.SAD.CAGE S ?
(5) C oncentration : Impaired concentration and decision making
*What does the 2nd letter ‘A’ refer to in the acronym In.SAD.CAGE S ?
(6) A ctivity: Psychomotor retardation or agitation
*What does the letter ‘G’ refer to in the acronym In.SAD.CAGE S ?
(7) G uilt : Feelings of guilt or worthlessness
*What does the letter ‘E’ refer to in the acronym In.SAD.CAGE S ?
(8) E nergy : Decreased energy or fatigue
*What does the last letter ‘S’ refer to in the acronym In.SAD.CAGE S ?
(9) S uicidal thoughts or attempts
What is the lifetime prevalence of Major depressive disorder (MDD) in the community?
5.8%
Among persons with a mental illness, 50.6% of them also had a ___.
chronic physical illness
Among persons with a chronic physical illness, __ of them also had a mental illness
14.3%
What is the lifetime prevalence of Obsessive Compulsive Disorder (OCD) in the community?
3%
What is the lifetime prevalence of Generalized Anxiety Disorder (GAD) in the community?
0.9%
It is important to note that most people with serious mental problems do not __.
seek any professional help.
The general risk factors for suicide in the general population are described by PELMCA: “A __, __, __, __, with physical/mental __ and previous __.
poor elderly lonely man comorbidities attempts
The monoamine hypothesis theorizes that the reduction of NSD neurotransmitters is the cause of depression. What does NSD refer to?
Norepinephrine (NE), Serotonin (5-HT), dopamine (DA)
Before starting pharmacological treatment for depression, it is critical to first rule out __ and __.
Medical disorders and drug induced causes
Endocrine disorders such as CHD can be secondary causes or even worsen depression. What is CHD?
Cushing’s syndrome, Hypothyroidism and Diabetes (T2DM)
Deficiency states such as __ and __ are secondary causes for depression.
Anemia and Wernicke’s encephalopathy
Infections such as __, __, and __ may be secondary causes for depression.
CNS infections
HIV/STD
TB
Metabolic disorders such as __ and __ may be secondary causes for depression.
- Electrolyte imbalance
2. Hepatic encephalopathy
Cardiovascular disorders such as __, __ and __ may be secondary causes for depression.
CHF
MI
CAD
Neurological disorders such as AEPPP may be secondary causes for depression. What is AEPPP?
Alzheimer's Epilepsy Parkinson's Pain Post-stroke
Context of Malignancy in depression?
Possible secondary cause of depression
One important drug induced cause of depression is __.
Withdrawal from alcohol and stimulants (i.e. substances of abuse)
Under the DSM-5 criteria for MDD, there must be __ present simultaneously in __, representing a change from previous functioning.
- At least 5 symptoms
2. 2 weeks
Either __ or __ must be present for a diagnosis of MDD based on DSM-5.
- depressed mood
2. loss of interest
Under the DSM-5 criteria for MDD, symptoms are expected to cause __.
significant distress and functional impairment
Major depressive disorder (MDD) clinically presents as __ and __ episodes.
- single
2. recurrent
What does HAM-D stands for?
Hamilton Rating Scale for Depression (HAM-D)
Remission is defined as __ in HAM-D.
a score of 7 or less
What does PHQ-9 stands for?
Patient Health Questionnaire (PHQ 9)
A PHQ-9 score of __ means that patients have __ and will not benefit from treatment.
- 9 or less
2. mild depression/minimal symptoms
Non-Pharmacological methods are best suited for patients with __.
Mild depression
In depression, Non-Pharmacological methods include __, __ and neurostimulation (ECT and rTMS).
- sleep hygiene
2. psychotherapy
*The 1st line pharmacological treatment for depression involves monotherapy with SSMB, which refers to: __, __, __ or __.
SSRI, SNRI, Mirtazapine or Bupropion.
*Medication choice should be guided by SCIPP, which refers to:
symptoms, comorbidities, interactions, prior response and preference.
An adequate trial (acute phase) of antidepressants involves __. In elderly, an adequate trial may __.
- adequate dose at adequate duration (4-8wks)
2. last up to 12wks
There is a delayed onset of antidepressants because __.
chronic exposure required to downregulate pre-synaptic autoreceptors
We expect physical symptoms of depression i.e. __ to improve in __.
- sleep and appetite
2. ~1-2wks
We expect Mood symptoms of depression to improve in __.
~4-6wks
A typical regimen of antidepressants involves 3 phases: __ + __ + __.
- Initiation
- Acute phase
- Continuation phase
We can expect the patient to be on antidepressants for at least __.
6-12months
For a patient 1st presenting with depression, the continuation phase should last __ after the acute phase treatment.
at least 4-9months
Examples of SSRIs?
Fluoxetine, Fluvoxamine, Escitalopram, Sertraline, Paroxetine
Examples of SNRIs?
Venlafaxine, Duloxetine, Desvenlafaxine
Examples of NaSSAs?
Mirtazapine
During the initial phase of treatment, patients may __. This should gradually improve in 1-2 months. Therefore, pharmacists must __.
- feel jittery and anxious
2. counsel patients to be patient and emphasize adherence
*Which 1st line antidepressant(s) is/are also indicated for Bulimia Nervosa?
Fluoxetine
*Which 1st line antidepressant(s) is/are also indicated for OCD?
Fluoxetine
Fluvoxamine
Sertraline
(FFS)
*Which 1st line antidepressant(s) is/are also indicated for anxiety disorders?
Escitalopram
Paroxetine
(EP)
*Which 1st line antidepressant(s) is/are also indicated for panic disorder?
Citalopram
Sertraline
*Which 1st line antidepressant(s) is/are also indicated for GAD?
Venlafaxine
Duloxetine
*Other than Depression and GAD, Duloxetine also has medical indications for __. (DCSF)
Diabetic neuropathy
Chronic musculoskeletal pain
Stress urinary incontinence
Fibromyalgia
*Which 1st line antidepressant has seizure inducing and psychotic effects?
Bupropion
*Which 1st line antidepressant has GI and sexual dysfunction side effects?
SSRIs
*If a patient is concerned regarding GI and sexual dysfunction side effects, what are good alternative 1st line antidepressants?
Mirtazapine
Bupropion
*Which 1st line antidepressants are most likely to be sedating and cause weight gain in patients?
Paroxetine
Mirtazapine
*Among the 1st line agents, __ and __ have the lowest risk of antidepressant discontinuation syndrome, due to __.
Fluoxetine and bupropion
their very long half lives
*Generally when using SSRIs in the elderly, we should note: __.
Hyponatremia (SIADH) Bleeding risk (antiplatelet effects)
*Paroxetine is not a good choice in the elderly due to __
Anti-cholinergic effects
*Citalopram and escitalopram are not good choices in the elderly due to __.
QTC prolongation and CVS effects at high doses
If the patient is suffering from insomnia, hypnotic options include: __, __ and __.
BZDs, Z-hypnotics and anti-histamines
Benzodiazepine (BZD) adjunct use should be __.
limited to 2 wk PRN at lowest effective dose.
BZDs may cause the following adverse effects __ and __.
Sedation
amnesia
BZDs may predispose patients to __.
falls and motor accidents
The use of Zolpidem in ladies should be __.
accompanied by a 50% reduction dose
Z-hypnotics may cause __ especially if there is childhood history of __.
sleepwalking
The use of antihistamines may cause adverse effects of __ and __.
sedation and anticholinergic effects
- For Fluoxetine (prozac) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 20mg OM
- 20-60mg/day
- 80mg/day
- For Fluvoxamine (faverin) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 50-100mg/day
- 50-300mg/day
- 300mg/day
- For Escitalopram (lexapro) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 5-10mg/day
- 10-20mg/day
- 20mg/day
- For Citalopram (celexa) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 20mg/day
- 20-40mg/day
- 40mg/day
- For Paroxetine (seroxat CR) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 12.5mg/day
- 12.5-50mg/day
- 75mg/day
- For Sertraline (zoloft) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 25-50mg/day
- 25-200mg/day
- 200mg/day
- For Venlafaxine XR (efexor XR) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 75mg/day
- 75-225mg/day
- 375mg/day
- For Desvenlafaxine ER (pristiq ER) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 50mg/day
- 50mg/day
- 100mg/day
- For Duloxetine (cymbalta) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 60mg/day
- 30-60mg/day
- 120mg/day
- For Mirtazapine (remeron soltab) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- 15mg/day
- 15-45mg/day
- 45mg/day
- For Bupropion (wellbutrin) use in adults, state:
1. Usual Starting dose
2. Usual Dose range
3. Max recommended dose
- SR: 150mg OM x 4d, then BD
- SR: 150mg/day BD
- SR: 300mg/day (2 divided doses)
When switching antidepressants, a wash out period is required for __.
Moclobemide
When cross titrating antidepressants, we have to watch out for __ if combining 2 agents.
Serotonin syndrome
Gradual cross tapering can reduce risk of __ when switching __. This is applicable only when __.
- antidepressant discontinuation syndrome
- from serotonergic agent to non-serotonergic agent
- the serotonergic agent has been in long term use (i.e. 2 months)
Hyponatremia is associated with all antidepressants and may manifest as __, __ or __.
Drowsiness, confusion or convulsions
DCC
For patients <25 years old, the use of antidepressants have been associated with __.
suicidality
The use of alcohol may increase the CNS depressant effect with antidepressants. Pharmacists should therefore counsel their patients to __.
avoid taking them together and spacing them out at least 4-6h apart
Other than antidepressants, serotonergic agents include: __, __, __ and __
Linezolid Opioids Sibutramine Triptans (LOST)
The use of BZDs and __ may increase mortality (CNS depression).
opioids
Fluvoxamine causes many DDIs i.e. with warfarin-R by virtue of it being a __.
Potent CYP1A2 and CYP2C19 inhibitor
Antidepressants such as __, __, __ may have DDIs with Metoprolol and opioids because they are CYP2D6 inhibitors.
Fluoxetine
Paroxetine
Bupropion
(PFB)
1st line Antidepressants with fewer DDIs include: __.
Mirtazapine Escitalopram Venlafaxine Desvenlafaxine (MEVD)
Among 1st line agents, Antidepressant discontinuation syndrome is most common with __ and __.
Venlafaxine
Paroxetine
Antidepressant discontinuation syndrome usually occurs __ after stopping medication.
36-72h
Antidepressant discontinuation syndrome usually manifests as FINISH. What does ‘F’ stand for?
Flu-like symptoms - fatigue, muscle aches and headache
Antidepressant discontinuation syndrome usually manifests as FINISH. What does the 1st ‘I’ stand for?
Insomnia
Antidepressant discontinuation syndrome usually manifests as FINISH. What does ‘N’ stand for?
Nausea
Antidepressant discontinuation syndrome usually manifests as FINISH. What does the 2nd ‘I’ stand for?
Imbalance - dizziness
Antidepressant discontinuation syndrome usually manifests as FINISH. What does ‘S’ stand for?
Sensory - electric shock sensations
Antidepressant discontinuation syndrome usually manifests as FINISH. What does ‘H’ stand for?
Hyperarousal - anxiety and agitation
To avoid Antidepressant discontinuation syndrome, we may __ if patient has been on daily treatment for 2 or more months. Alternatively, we may use / instead.
- gradually taper over at least 4 wks
2. Bupropion/Fluoxetine
BZDs should be gradually discontinued after __.
long term usage and/or high doses
Goal of therapy in Depression is __, __ and __.
Remission of symptoms
Treatment Adherence
Suicide prevention
(RTS)
For a patient with hypertension, the 1st line antidepressant __ may worsen hypertension.
Venlafaxine
The following group of patients are pre-disposed to seizures:
Psychosis History of seizures Eating disorders Withdrawal from alcohol/BZDs (PHEW)
Why do we need to exclude bipolar/schizoaffective disorder before giving antidepressants?
Antidepressants can cause maniac switch in these patients