Psychopharm Flashcards
Atomoxetine s/e
GI, weight loss
Headache, dizziness, fatigue, irritability
Priapism, suicidal thinking, mood changes
Pre-clozapine workup
CBC
Chem-7
LFTs
HbA1C and Lipid profile
ECG if >40 or risk factors
Weight and vital signs
Pancreatic profile
Prolactin
CK and ESR?
Pre-lithium workup
CBC
Chem-10
TSH
Weight and vital signs
HbA1C and lipid profile
b-hCG
ECG if >40 or risk factors
Pre-Epival workup (5ish)
CBC
LFTs
HbA1C and lipid profile
Weight and vital signs
b-hCG
Meds with no baseline workup
Antidepressants?
Lamotrigine
Benzos
Mirtazapine mechanism of action
incr. NE/5HT release via decreased inhibition (blockade of central presynaptic a2 receptors on NE and 5HT2 neurons)
5HT2/3 and H1 antagonist (similar MoA as Mianserin, which is used in Europe)
Trazodone mechanism of action
Weak SRI
5HT2A/a1>H1 antagonist
TCAs - the secondary amines
Nortriptyline
Desipramine
MAOI safety issues
Serotonin syndrome (wait 2 weeks)
Hypertensive crisis (drug-food or drug-drug intxn)
Overdose (only phenelzine, tranylcypromine and isocarboxazid)
Moclobemide mechanism of action
Reversible inhibitor of MAO-A (RIMA)
Predictors of good lithium response in mania (7)
FHx of lithium response or BAD
Mania-Depr-Euthymia course
No SUD or psychosis or neurological deficits
Minimal comorbidity
Few past episodes
Classic, euphoric mania
Previous lithium response
Predictors of good Epival response in mania (6)
Mixed features
Rapid cycling
Multiple previous episodes
Secondary mania
Head trauma
SUD
Predictors of good AAP response in mania (4)
Mixed features
Rapid cycling
Young age
Agitation
Psychopharm Tx of FTD
NOT AChEI
Trazodone (irritability)
Paroxetine (SSRI in general for impulsivity)
Psychopharm Tx of LBD
Rivastigmine (decrease BPSD including hallucinations)
Avoid antipsychotics, but if must, quetiapine or clozapine
Psychopharm for Parkinson’s dementia
If no response to AChEI or quetiapine, try clozapine (gold standard)
Psychopharm for vascular dementia
No evidence for AChEI, but if must, try Donepezil or Reminyl (galantamine)
DGV
Psychopharm for Alzheimer’s
AChEI for mild-mod (donepezil, rivastigmine, galantamine)
Memantine (Ebixa) for mod-sev
Adequate trial of clozapine (3)
At least 8, preferably 12 weeks
Dose at least 400mg/d
Trough levels at least 1100 nmol/L (DIE dosing)
5HT precursor
Tryptophan
Dopamine precursors (2)
Phenylalanine
Tyrosine
Rate-limiting enzyme in 5HT synthesis
Tryptophan hydroxylase
Rate-limiting enzyme in DA synthesis
Tyrosine hydroxylase
Carbamazepine adverse reactions (7)
Rare aplastic anemia
Rare agranulocytosis
Rare SJS/TEN (esp. Asian if HLA-B*1502)
Liver and heart toxicity
SIADH/hyponatremia
Decreased OCP efficacy
Pharm Tx of Serotonin syndrome (3)
Cyproheptadine (5HT antagonist)
Dantrolene
BZD
Pharm Tx ish of NMS (5)
Bromocriptine (DA agonist)
Dantrolene (muscle relaxant)
Amantadine
BZD
ECT
Foods to avoid while on MAOIs
Aged or fermented cheese
Aged or cured meats
Overripe or spoiled foods
Fermented foods
Beer
1A2 substrates (5)
Agomelatine
Clozapine
Duloxetine
Olanzapine
Warfarin
2C19 substrates (3)
Diazepam
Propranolol
Warfarin
2D6 substrates (7)
Abilify
Olanzapine
Risperidone
Tamoxifen
TCAs
Vortioxetine
Venlafaxine (to Pristiq)
3A4 substrates (9)
Abilify
Haldol
Levomilnacipran
Lurasidone
Methadone
Mirtazapine
Quetiapine
Risperidone
Vilazodone
Preferred pharmacoTx in HIV + MDD (2)
Celexa
Cipralex
Preferred pharmacoTx in MDD with anxious distress
GAD treatments (Level 4)
No diff between SSRI/SNRI/Bupropion
Preferred pharmacoTx in MDD with catatonia
BZD
Preferred pharmacoTx in MDD with atypical features
Old studies: MAOI > TCA
Preferred pharmacoTx in MDD with mixed features (2)
Lurasidone (level 2)
Ziprasidone (level 3)
Preferred pharmacoTx in MDD with cognitive dysfunction (3)
Vortioxetine (level 1)
Bupropion, duloxetine, SSRI (level 2)
Moclobemide (level 3)
Preferred pharmacoTx in MDD with sleep problems (4)
Agomelatine (level 1)
Mirtazapine, quetiapine, Trazodone (level 2)
Preferred pharmacoTx(ish) in MDD and menopause
1st line = desvenlafaxine, CBT
2nd line = transdermal estradiol > Citalopram, duloxetine, escitalopram, Mirtazapine, venlafaxine XR, quetiapine XR
Preferred pharmacoTx in MDD with AUD (3)
1st line =
Mirtazapine
Naltrexone
Naltrexone + Sertraline
Preferred pharmacoTx in MDD with ADHD
1st line =
Bupropion
AD + long-acting stimulant
AD + CBT
Varenicline binding profile
a7 full agonist
a4b2, a3b4, a6b2 partial agonist
Risk factors for CKD on lithium (6)
Higher plasma Li levels
Multiple daily doses
Concurrent meds (NSAIDs, ARBs, ACEis, diuretics)
Somatic illnesses (HTN, DM, CAD)
Older age
Lithium toxicity
Heart-safe antipsychotics (2)
Lurasidone
Aripiprazole
Symptoms of hyperammonemic encephalopathy (3)
Confusion
Lethargy
Vomiting
Psychopharm(ish) of MDD in pedopsy
1st line = CBT or IPT (OR iCBT)
2nd line = Flx (level 1), Celexa and Cipralex and Zoloft (level 2)
3rd line = Effexor or TCAs (if > age 12)
1st line for mania in elderly BAD (2)
Lithium
DVP
1st line for depression in elderly BAD (4)
Quetiapine or Lurasidone
Lithium or Lamotrigine
Maintenance in elderly BAD (3)
Lithium or Lamotrigine (level 2)
DVP (level 3)
Pharm Tx for late-life depression (5)
Duloxetine (level 1)
Mirtazapine, Sertraline, Venlafaxine, Vortioxetine (level 2)
Melatonin precursors (2)
Tryptophan
Serotonin
Pregabalin binding
Binds the alpha-2-delta subunit of voltage-gated Ca channels in the CNS
2nd line for mania + mixed features (4)
Asenapine
Cariprazine
DVP
Abilify
NOT FGA
2nd line for depression + mixed features (2)
Cariprazine
Lurasidone
NOT AD
Adderall XR duration of action
12h
Vyvanse duration of action
13-14h
Biphentin duration of action
10-12h
Concerta duration of action
12h
Foquest duration of action
13-16h
HC-approved meds for insomnia (8)
Temazepam, triazolam
Zopiclone, zolpidem, eszopiclone
Doxepin
Lemborexant (orexin receptor antagonist)
Ramelteon (melatonin agonist)
Carbamazepine in Mania (5)
TBI
Anxiety
Substance use
Schizoaffective (mood-incong del.)
No FHx in 1st-degree relatives
When you can safely reduce dose of meds in euthymic BAD
6 months
Phase 1 metabolism
Redox and hydrolysis
CYP450 enzymes
Disulfiram MoA
Aldehyde dehydrogenase inhibitor
Leads to accumulation of acetaldehyde
Universal inducers (3)
Carbamazepine
Phenytoin
Rifampin
2nd-line adjuncts for OCD (3)
Quetiapine
Topiramate
Memantine
Phase 2 reactions (3)
Conjugation!! Including:
Glucuronidation
Sulfation
Glutathione conjugation
Atomoxetine dosing
Initial: 0.5mg/kg/day, then 1.2
Max: 1.4mg/kg/day
Doses: 10, 18, 25, 40, 60, 80, 100mg
Oculogyric crisis
Irregular prolonged deviations of the eyes, usually up and lateral
Lack rhythmicity and slow phases
Most frequently encountered with phenothiazine intoxication
Mesolimbic pathway
VTA (midbrain) to Limbic system (NAcc)
Major 5HT metabolite
5-HIAA
When to stop a ChEI (5)
- Clinically meaningful NCD worsening (not due to medical or env’tal)
- NO BENEFIT at any time during Tx
- Intolerable side effects
- Severe or end-stage NCD
- Poor adherence (not safe, can’t assess effectiveness)
ChEI side effects (5)
GI
Sleep
Neuromuscular (cramps + weakness)
Cardiac (Brady, syncope)
Uro (incontinence)
Methylphenidate MoA
Blocks DA and NE reuptake
Amphetamine MoA
DA and NE release (also 5HT)
Blocks DA reuptake
SCZ relapse risk without meds
Doubles within 1-10 days
5x increase after >30 days
Theophylline substrate of
1A2
1st choice of antidepressant in CAD/ACS
Sertraline
2-OH-estradiol substrate of (2)
1A2
3A4
Renal failure extends half-life of these psychotropics (9)
Venlafaxine XR (and Pristiq)
Mirtazapine
Paroxetine
Bupropion (metabolites)
Risperidone/Paliperidone
Topiramate
Zolpidem
Contraindicated in TCA toxicity (2)
Physostigmine (ass’d with cardiac arrest)
Flumazenil (lowers seizure threshold)
Caffeine in ECT
Increased seizure duration
Short half-life benzos ass’d with (3)
Interdose withdrawal
Rebound anxiety btwn doses
Anterograde amnesia
St John’s Wort interactions (2)
3A4 inducer
Induces cyclosporine
1st line CAM Tx in MDD (3)
Exercise (mild-mod) as mono
Light therapy (seasonal) as mono
St. John’s Wort (mild-mod) as mono
Best adjuncts in late-life depression (3)
Abilify (level 1)
Methylphenidate (level 2)
Lithium (level 3)
Citalopram in elderly
Max dose of 20mg if age>65
PTSD 2nd line (6)
Mono: fluvoxamine, phenelzine, mirtazapine
Adjunct: Risperidone, Olanzapine, eszopiclone
Vortioxetine mechanism of action
SRI
Agonist at 5HT1A
Partial agonist at 5HT1B
Antagonist at 5HT1D, 5HT3A, 5HT7
Cholinergic rebound when stopping clozapine (5)
Diarrhea
Nausea/Vomiting
Headache
Sweating
HIV med causing depressive sxs and SI
Efavirenz
Augmenting agent in PTSD exposure Tx
D-cycloserine
Bad anticonvulsant in alcohol w/d
Phenytoin
Clozapine code yellow
WBC < 3.5
or
ANC < 2.0
Erythromycin metabolism effects (2)
3A4 substrate
3A4 inhibitor
Hemodialysis and lithium levels (2)
> 2.5 if chronic
4.0 if acute
Or lower if neuro sxs
Depression and suicidality with which ASMs?
GABAergic ones