Pharm: This Is the Last One Flashcards
What are the criteria for a Major Depressive Episode?
Define Unipolar Depression?
Define Dysthymia
Lasting 2wks w/ five Sxs:
One must be: Depressed, Anhedonia
MDD
One major depressive episode w/ no hypo/mania
Persistent Depressive D/o
Depression lasting 2yrs w/ Sxs free periods lasting less than 2 consecutive months
What are the facts about gender and suicide?
What are the 3 hypothesis behind depression?
Female: more likely to attempt, 2-4x higher during menopause
Male: more likely to complete
Biogenic Amine: dec levels of NT in brain
Dysregulation: failure of homeostasis
Neurochemical: 5HT/NE system must be functional for anti-depressant to work
What are the 3 types of depression?
Reactive/Secondary- MC; response to grief, illness, drugs/ETOH
Unipolar: genetically determined and unable to experience pleasure/cope w/ life
Bi-Polar Affective: manic-depressive
All medications classified as antidepressants increase concentrations of what 3 NTs?
What are the 3 ways to increase NT levels?
Dopamine NorEpi Serotonin
Inhibit reuptake
Block degredation
Inc NT release
Continued use of TCAs/SSRIs/SNRIs cause what physiological changes of the receptors?
What structures project into limbic structures and release serotonin to be taken back up in ? neuron?
Down regulation of pre-synaptic autoreceptors, increases firing rate of raphae neurons
Raphe neurons
Presynaptic
What are the Tertiary Amines?
What are the Secondary Amines
ADICT
Amitriptyline Doxepin Imipramine Clomipramine Trimipramine
DNP
Desipramine Nortriptyline Protriptyline
Here do the issues of taking TCAs come in?
When are TCAs used in therapy?
Blockage of Histamine A-Adrenergic, and Muscarinic receptors AND NorEpi/Serotonin uptake
Seldom 1st line agents
Depression/Anxiety orders
Off label: pain syndrome, migraine prophylaxis
What is the most common drug used in ODs?
What are some of the adverse reactions of using this drug class?
TCAs
Seizure Arrhythmias Coma Delerium
What PTs should never receive TCAs?
Time frame of TCAs hence why such a gradual taper up is needed?
BPH CVDz Glaucoma SIs
2-4wks
What are the adverse effects of taking TCAs?
What class of TCAs are “worse” w/ high sedation, anticholinergic and alpha blockage effects?
Anticholinergic
OHOTN
Drug interactions
Tertiary
What TCAs cause weight gain?
What TCA is used for childhood enuresis and adult MDD?
Nortriptyline
Amitriptyline
Imipramine
What TCA is used for depression and insomnia?
What TCA is used for OCD?
Doxepin
Clomipramine
What drugs fall under SSRI group?
What are the two “other” SSRIs?
PFCS EF
Paroxetine Fluoxetine Citalopram Sertraline Escitalopram Fluvoxamine
Others: Villain Vortex
Vilazodone
Vortioxetine
How long does it take for SSRIs to take effect?
SSRIs are first line choice for Tx of ?
3-8wks
PODS PPG Panic D/o OCD Depression Social Phobia PTSD Pre-menstrual dysmorphic d/o General anxiety d/o
Which SSRI has the longest and shortest T1/2?
Only two SSRIs don’t interact w/ CYP450, which ones?
Long: Fluoxetine
Short: Fluvoxamine
Citalopram
Escitalopram
*most commonly prescribed, good for elderly PTs on multiple Rxs
What SSRIs are the most and least CNS activating/sedating?
Which SSRI has the worse weight gain?
Most activate: Fluoxetine, Sertraline (avoid in insomnia, take in AM)
Most sedating: Paroxetine, Fluvoxamine (dose in PM)
Paroxetine
What is a very common s/e of taking SSRIs?
What are three rare s/e?
Loss of labido (switch to Bupropion or add Silenafil)
Serotonin syndrome
SIADH
EPS s/e- akathisia, dystonia, parkinsonian Sxs (Paroxetine has the most)
What is the triad of Serotonin Syndrome
How is it Tx?
Cognitive effects
Neuromuscular dysfunction
Autonomic dysfunction
Support: Benzos
Hyperthermia support
Cyproheptadine- 1st gen anti-histamine and 5HT antagonist
Which SSRi can have abrupt discontinuation due to it’s long T1/2?
Which SSRI has FDA warning due to QTc prolongation and which one does NOT have this warning?
Fluoxetine
Citalopram above 40mg
Escitalopram
SSRIs drug interactions include ?
What are the main SNRIs?
What are the others?
MAOIs ASA NSAIDs
Duloxetine
Venlafaxine
Desvenlafaxine
Levomilnacipram
Milnacipram
What 3 SNRIs have been linked to increasing Diastolic BP?
What two drug classes should they not be used w/?
Venlafaxine
Desvenlafaxine
Duloxetine
MAOIs
Serotogenic agents
Which SNRI has a dose-related effect on NorEpi?
What can Venlafaxine be used for?
Venlafaxine: <150mg/day is primarily a serotonin effect
Tx resistant depression
Gen Anxiety d/o
PTSD- 1st line w/ SSRI
What are the benefits of using Venlafaxine?
What is the relation between Venlafaxine dosage and the NT blocked?
Safer than TCA for OD
Less activating as Fluoxetine
Unique MOA= use if SSRI have failed
SSRI effect at low dose
SNRI effect at high dose
What are two adverse effects of using Venlafaxine?
Which SNRI is an active metabolite of another?
HTN
Serotonin syndrome if used w/ MAOI
Desvenlafaxine
What is Desvenlafaxine used for?
What is Duloxetine best used for?
2nd line for MDD
Diabetic neuropathy
Fibromyalgia
MSK pain
What PTs can’t take Duloxetine?
Why would Levomilnacipram be used?
Liver/Renal dysfunction
As an isomer of Milnacipran, is a stronger NorEpi inhibitor for Depression
Milnacipran is only approved use is for ?
What are the s/e of using Levomilnacipram?
Fibromyalgia, not depression
HypoNa
Inc bleed risk
HTN/OHOTN
What is the site of action of the NDRIs?
What is the uses of Bupropion
Noradrenergic and dopamine releasing neuron
MDD
Smoking cessation
Off label for ADHD in kids/adolescents
What are the adverse effects of taking Bupropion?
What is a perk of using this drug over other anti-depressants?
Weight loss
Inc seizure risk
Less sex dysfunction
What drug interaction occurs w/ Bupropion?
What meds are fall under the classification of Serotonin Receptor Antagonist?
MAOIs, 14 day gap between use
MNT
Mirtazapine
Nefazodone
Trazodone
What are three common effects when taking SRAntagonists?
Antagonize serotonin, histamine and A1 receptors
MOA, Use, and Adverse effects of of SRA Trazadone
Inhibits serotonin uptake and antogonizes HT, A1 and H1 receptors but less than SSRIs
Sleep aid
Depression in combo w/ SS/NRI
Fewer s/e than TCAs
Drowsiness, OHOTN
MOA, Use, and Adverse of SRA Mirtazapine
Inhibits HT, H1, A1/A2 receptors but does NOT inhibit reuptake
MDD, better tolerated than TCAs
Used in combo w/ SSRI if PT has sleep d/o
Lower dose if CrCl <30mL/min
Low dose= sedative
High= insomnia
Constipation
MOA, Use and Adverse of SRA Nefazodone
Inhibits HT, A and reuptake of serotonin and NorEpi
Anxious depression
SSRIs causing sex dysfuntion
BBWarning: liver failure
MOA of the class of MAOIs
What are their adverse reactions?
Non-selective blocking of enzyme from breaking down NorEpi, Dopamine and Serotonin to inc concentration
Serotonin Syndrome HTN Crisis OHOTN Weight gain Sex dysfunction
What are MAOIs as a class used for?
What interactions do they have?
Atypical depression: Hypersomnia, Hyperphagia, Mood reactivity
PTs refractory to other anti-depressant agents
Increases tyramine, increases release of Epi /NorEpi causing HTN crisis
What MAOI are considered last line?
What interactions do they have?
Antidepressant med can be considered a Tx failure if no improvement is seen in what time frame?
Tranylcypromine
Decongestants, Cheese plates/drinks
Lack of reduction of Sxs by more than 50% within 8-12wks
How long do PTs need to wait after d/c antidepressant and starting an MAOI?
Facts about Selegiline
2 wks
Except Fluoxetine- wait 6wks
Transdermal patch w/ fewer s/e like weight gain, sex dysfunction due to MAO-B inhibition
What medications can cause major and minor sexual dysfunction?
What two antidepressants are less likely to cause weight gain?
Buproprion- more rare Sxs
Mirtazapine- lower than S/NRI
S/NRI- reduce libido, prevent ED/orgasms
Buproprion, Fluoxetine
What antidepressants cause somnolence?
Which ones can increase energy?
Paroxetine Mirtazapine TCAs
Trazadone
Burproprion, SNRI
Fluoxetine, Sertraline more activating than other SSRIs
What drug can increase anxiety and what medications are recommended to use?
Which medications can reduce pain?
Buproprion can cause, S/NRI if PT experiences anxiety
Duloxetine, Venlafaxine (fibromyalgia + depression)
Amitriptyline and Imipramine- diabetic neuropathy
Which medications are indicated for use in diabetic neuropathy?
Which antidepressant specifically has shown to cause heart defects in fetuses?
Amitriptyline, Imipramine
Paroxetine
Define Mania
Define Hypomania
Define Cyclothymic d/o
1wk of abnormal and persistently elevated mood
Four days or more without impairing social/occupation and not psychosis
Several hypomania periods, mild depression
Define BP1
Define BP2
Recurrent manic/mixed manic more frequent/severe than depression
One or more depressive epidosdes w/ one hypomaniac episode w/ no mania
What is the criteria for rapid cycling for Bipolar D/o
What needs to be assessed in these PTs?
What are thought to be the culprit of causing manic episodes?
Four or more episodes of mania, hypomania, mixed or depression withing one year
Thyroid
Over production of NorEpi and Serotonin
What are the 5 classes of drugs used for the management of Bipolar D/o?
Lithium
Anticonvulsant (Val-TLC))
Antipsychotics (all atypicals except Clozapine, Iloperiodone)
Benzos (Lorazepam, Diazepam)
Antidepressants (not as monotherapy and not during manic episodes)
MOA and Use of Lithium
Neuroprotective, inhibits transduction
Mood stabilizer during mania
Not for rapid cycles
Used in conjunction w/ Anti-psych or Benzo, d/c anti-psych after manic episode stops
What monitoring needs to be done on PTs taking Lithium
What type of conditions can raise Lithium levels in a PT to toxic levels?
PET CURE
Pregnancy E+ Thyroid CBC UA Renal function ECG
ACEIs/ARBs NSAIDs- inhibits prostaglandins Diuretics Dehydration/Fever/Vomit Crash/Na restricted diets
What are the adverse effects of taking Lithium
What is done for PTs taking Lithium that have tremors, hypothyroid, polyuria/dyspia?
Sedation
Edema/weight gain
Nephrogenic DI
Dec thyroid funtion
BB
Levothyroxine
Lowest dose possible
How are PTs w/ Lithium toxicity Tx?
When are anticonvulsants preferred for Bipolar PTs?
Hydrated
Gastric lavage
>3mEq- dialysis
Rapid cycles
Substance abuse
2* bipolar/mixed mania
What is the DOC for Bipolar PTs that are manic or have >4 manic episodes/year?
What are the adverse effects of taking these medications?
Valproic acid
Divalproex sodium
Neurotoxicity
Hair loss
Teratogenic- Cat D, causes Spina Bifida
When is Carbamazepine used for Bipolar?
Prior to Rx this, PTs need to be screened for ?
Mania and maintenance when improvement isn’t reached w/ only Lithium
HLA B 1502 enzyme- mutation increases risk of Steven Johnson Syndrome
What are the adverse effect of Carbamzepine
What Bipolar drug is only used for maintenance/depression phase?
SIADH HypoNa SJS
Lamotrigine
How does Lamotrigine interact w/ other Bipolar drugs?
When/why are Benzos added to Bipolar medication regimes?
Valproic acid- dec metabolism
Carbamazepine- inc metabolism
Agitation, Insomnia, Hyperactivity
Which benzos are used in the acute setting of Bipolar?
Which one is briefly used for behavior Sxs?
Lorazepam
Diazepam
Clonazepam
What are the Anti-Pyschs/Neuroleptics used for Bipolar?
Haloperidol/Olanzapine- control agitation/psychosis
Aripiprazole/Olanzapine- mono therapy for maintenance
Quetiapine- FDA approval for depression and maintenance
What is the pathyphysiology of Parkinson’s?
Unbalanced dopamine/ACh neurons
Dopamine inhibits GABA, ACh excites GABA
Parkinson’s= loss of dopamine neurons, inc of ACh unopposed
Since dopamine can’t cross BBB, what drug is given to Parkinson’s PTs that can cross?
What drugs can cause Parkinsonian like s/e?
What type of infection can cause these S/Sxs?
L-Dopa
Anti-psychotics (PCTT-zine, Haldol)
Antiemetic
Metoclopramide
Viral encephalitis
What class of meds are used for Parkinson’s motor disability improvement?
Which ones are used for motor complications?
Levodopa
Dopamine agonsits
How is Parkinson’s managed in a young, fit PT w/ no comorbidities and mild Sxs?
MAOI (Rasa/Selegiline) Dopamine agonist (non-ergot)
L-Dopa (Carel/Beneldopa) COMT inhibitor (Enta/Tolcapone)
How is Parkinson’s managed in frail PT w/ comorbidities and cognitive impairment?
What is done for PTs w/ dyskinesia, severe motor fluctuations or resistant tremors?
L-Dopa (Carel/Beneldopa)
MAOI (Rasa/Selegiline)
COMT (Enta/Tolcapone)
D: reduce L-Dopa, add Amantadine
S: SQ Apomorphine or Duodopa
R: Deep brain stimulation
What drug class is the first line for Parkinson’s w/ Sxs?
This drug has the greatest effect on ? but not on ? Sxs
Dopamine agonists
Best: Bradykinesia, Rigidity (Levodopa)
Low: Tremor, Posture instability
What 3 circumstances is Levodopa the initial therapy for Parkinson’s?
What drug class is most useful in Parkinson’s PTs w/ tremors?
> 70y/o
Dementia
Cognitive impairment
Anticholinergic
When/why would a NMDA receptor inhibitor be given to a Parkinson’s PT?
Dec dyskinesia from Levodopa/Dopamine agonist
What are the Dopamine Agonists?
What are the Dopamine Analogs?
RAP Bro
Ropinirole Apomorphine Pramipexole Bromocriptine
Levodopa/Carbidopa
What are the Muscarinic Antagonists/Anticholinergics used in Parkinson’s?
What is the NMDA receptor inhibitor med used?
Benztropine, Trihexyphenidyl
Amantadine
What two classes of drugs are used to decrease catabolism in Parkinson’s PTs?
What are the two types of Dopamine agonists?
COMT Inhibs: Tol/Enta/capone, Carbi/Levodopa
MAOIs: Sele/Rasagline
Ergot vs Nonergot
What is the first line monotherapy for Parkinson Sxs and why is this important?
Use caution when giving this to ? PT populations
Dopamine agonists- delay need for Levodopa (short efficacy) in younger PTs for years.
Less dyskinesia/fluctuations
Psychosis, Dementia