Physciatry Flashcards
3Depression
SSRIs (Selective Serotonin Reuptake Inhibitors)
3 drugs
Citalopram (1st Line)
Sertraline
Fluoxetine (kids)
MOA of SSRIs
Selectivly inhibits serotonin reuptake from synaptic cleft.
Side effects of SSRIs (3)
Nausea
sexual dysfunction
serotonin syndrome.
Contraindications of SSRIs
(3)
MAOIs (risk of serotonin syndrome)
caution with QT prolongation (especially Citalopram).
triptans
Depression
(2nd Line kind of, generally SSRI>SSRI>SNRI)
SNRIs (Serotonin-Norepinephrine Reuptake Inhibitors)
2 drugs
Venlafaxine
Duloxetine
MOA of SNRIs
MOA: Inhibits reuptake of serotonin and noradrenaline.
Side affects SNRIs
(3)
Hypertension (Venlafaxine)
nausea
Insomnia
Contraindications SNRIs (2)
Uncontrolled hypertension
renal impairment
TCAs (Tricyclic Antidepressants) (low yield)
2 drugs
Amitriptyline
Imipramine
Clomipramine
MOA TCAs (Tricyclic Antidepressants)
Inhibits reuptake of norepinephrine and serotonin
Side effects TCAs (4)
Sedation
anticholinergic effects
cardiotoxicity
weight gain.
Contraindications TCAs (2)
elderly (fall risk)
Cardio issues
2 examples MAOIs (Monoamine Oxidase Inhibitors)
treatment-resistant depression or atypical depression
(irreversible) Phenelzine+Tranylcypromine
(reversible) Moclobemide
MAOIs MOA
Inhibits breakdown of serotonin, norepinephrine, and dopamine
MAOIs Side effects (2)
Hypertensive crisis (with tyramine foods),
Postural hypotension
Contraindications MAOIs
(2)
SSRIs/SNRIs
pheochromocytoma
Bipolar, mood stabilisers (3 drugs)
Lithium
Sodium Valporate
Atypical Antipsychotics
Lithium MOA
Lithium is thought to work by modulating neurotransmitter release, particularly serotonin and dopamine
Lithium side affects (3)
Tremor
hypothyroidism
nephrotoxicity
Contraindications Lithium
(2)
Severe renal impairment
dehydration
Sodium Valproate MOA
Increases GABA availability
Sodium Valproate Side effects (2)
Weight gain
hepatotoxicity
Sodium Valproate Contraindications (2)
Pregnancy
liver disease
Atypical Antipsychotics drugs (3)
Olanzapine (weight gain)
Quetiapine
Aripiprazole (least AEs) for schizophrenia
Atypical Antipsychotics MOA
Dopamine (D2) receptor antagonism, serotonin antagonism
Side effects Atypical Antipsychotics (3)
Weight gain (main)
metabolic syndrome,
EPS
Atypical Antipsychotics Contradictions (2)
Diabetes
elderly with dementia
Schizophrenia
Typical Antipsychotics
2 drugs
Haloperidol
Chlorpromazine
Typical Antipsychotics, MOA
Eg Haloperidol
Blocks dopamine D2 receptors
Typical Antipsychotics Side effects (4)
Extrapyramidal symptoms (EPS High Yield)
tardive dyskinesia (Tetrabenezine)
hyperprolactinemia
Neuroleptic Malignant Syndrome
Typical Antipsychotics Contraindications (2)
Parkinson’s disease
QT prolongation
Schizophrenia
1st line Tx
2nd Line
3rd/4th Tx Resistance
1st Line Aripiprazole (less AE’s)
2nd line Risperidone
3rd/4th line= (Clozapine Tx Resistance)
Schizophrenia Atypical Antipsychotics drugs (2)
Risperidone (less side affects, but does give Hyperprolactinaemia)
Clozapine (gives Seizures)
Schizophrenia Atypical Antipsychotics drugs MOA
Blocks D2 and serotonin receptors
Schizophrenia Atypical Antipsychotics side effects (3)
Weight gain
Sedation
Agranulocytosis (Clozapine)
Schizophrenia Atypical Antipsychotics Contraindications (2)
Bone marrow suppression
Metabolic disorders
Anxiety Disorders drugs (2)
Benzodiazepines: Diazepam, Lorazepam (SHORT TERM)
Anxiety Disorders drugs MOA
Enhances GABA activity
Anxiety Disorders drugs side effects (3)
Sedation, dependence, respiratory depression.
Anxiety Disorders drugs Contraindications (2)
Respiratory failure
Chronic alcohol use.
short term Anxiety management (not Benzos) drug
Buspirone
short term Anxiety management drug Buspirone MOA
Partial agonist of serotonin receptors
short term Anxiety management drug Buspirone side effects (3)
Dizziness
Headache
Nausea
short term Anxiety management drug Buspirone contradictions
Severe hepatic impairment
Obsessive-Compulsive Disorder (OCD)
SSRIs 1st line Tx OCD
(3)
Fluoxetine (Cardio risks)
Sertraline
Escitalopram
SSRIs MOA
Increases serotonin by inhibiting reuptake.
SSRIs Side effects (2)
Nausea
Sexual Disfunction
SSRIs contradictions (1)
MAOIs (due to risk of serotonin syndrome).
Attention Deficit Hyperactivity Disorder (ADHD)
Stimulants drug
Methylphenidate (Ritalin)
Long acting: Concerta
Dexamphetamine
Attention Deficit Hyperactivity Disorder (ADHD)
MOA
Increases dopamine and norepinephrine levels.
Attention Deficit Hyperactivity Disorder (ADHD)
Side effects (3)
Insomnia
appetite suppression
increased heart rate
Attention Deficit Hyperactivity Disorder (ADHD)
Contraindications (2)
Cardiovascular disease
anxiety
Attention Deficit Hyperactivity Disorder (ADHD)
Non-stimulants drug
Atomoxetine (2 months to work)
Guanfacine ( 2 weeks to work)
Attention Deficit Hyperactivity Disorder (ADHD)
Non-stimulants MOA
Selective norepinephrine reuptake inhibitor
Attention Deficit Hyperactivity Disorder (ADHD)
Non-stimulants Contradictions (2)
Severe hepatic impairment
cardiovascular disease
3 weeks 6 days - which disease?
4 weeks 0 days - which disease?
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