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193 Cards in this Set

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Common SSRIs

citalopram (celexa)


escitalopram (lexapro)


paroxetine (paxil)


fluoxetine (prozac)


fluvoxamine (luvox)


sertraline (zoloft)

Mode of Action: SSRIs

block the reuptake of 5HT, increasing occupancy at the post synaptic receptor and prolonging the effect

how long should you wait to evaluate the effect of SSRIs after starting them.

4 weeks

General Side effects of SSRIs

insomnia, agitation, weight loss, nausea, GI, discomfort, sexual dysfunction, QTc prolongation, orthostatic hypotension

Side effects of Citalopram (celexa)

QTc prolongation, sexual dysfunctionosm

most common side effect of citalopram (celexa)

QTc prolongation

Side effects of Escitalopram (lexapro)

QTC prolongation, sexual dysfunction

Side effects of Fluoxetine (prozac)

QTC prolongation, agitation/insomina, sexual dysfunction

Side effects of Fluvoxamine (luvox)

drowsiness, orthostatic hypotension, weight gain, sexual dysfunction

Side effects of Sertraline (zoloft)

agitation/insomnia, nausea/gi discomfort, diarrhea, sexual dysfunction

SSRI most likely to cause weight gain and sexual dysfunction

Paroxetine (paxil)


what is the brand name of Paroxetine

Paxil

what is the brand name of Citalopram

Celexa

what is the brand name of Escitalopram

Lexapro

what is the brand name of Fluoxetine


Prozac

what is the brand name of Fluvoxamine

Luvox

what is the brand name of Sertraline

Zoloft

sexual dysfunction symptoms associated with SSRIs

anorgasmia, increased ejaculation ejaculation latency in men

what to do if patient experiences sexual dysfunction associated with SSRIs

1. Decrease the dose of SSRIs


2. Switch to another antidepressant with less side effects (buproprion, nefazodone, mirtazapine)


3. Add adjunctive therapy (sildenafil, bupropion, buspirone)

Serotonin Syndrome

-caused by high concentration of 5HT


-potentially lethal condition


-typically caused by SSRI+MAOI or SSRI+TCA


-symptoms:diaphoresis, agitation, tachcardia+more


-treatment: cyproheptadine

symptoms of serotonin syndrome

anxiety, agitation, delirium, diaphoresis, tachycardia, hypertension, hyperthermia, GI discomfort, tremor, muscle rigidity, myoclonus, hyperreflexia

treatment for serotonin syndrome

1. discontinue serotonin agents


2. sedation w/ benzodiazepines


3. if benzos fail give cyproheptadine (5HT antagonist)


4. supportive therapy (O2, IV fluids, cardiac monitoring and vitals)

SSRIs increase the risk of these disorders:

increased risk of stroke, GI bleed and bone fractures

Common SNRIs and atypical antidepressants

Desvenlafaxine (Pristiq)


Venlafaxine (Effexor)


Duloxetine (Cymbalta)


Milnacipran (Savella)


Buproprion (Wellbutrin, Zyban)


Mirtazapine (Remeron)

What is the brand name of Desvenlafaxine

Pristiq

What is the brand name of Duloxetine

Cymbalta


What is the brand name of Milnacipran

Savella


What is the brand name of Buproprion

Wellbutrin, Zyban


What is the brand name of Mirtazapine

Remeron

2nd line treatment for depressions after poor response or intolerability to SSRIs

SNRIs

Mode of Action: SNRIs

block reuptake of both 5HT and NE (norepinephrine)

SNRIs are used to treat these conditions:

panic disorder


generalized anxiety disorder (GAD)


social anxiety disorder


OCD


PTSD


body dysmorphic disorder


diabetic peripheral neuropathy


fibromyalgia


menopausal hot flashes


vulvodynia


urinary incontinence

Most common side effect of SNRIs:

nausea, relieved by taking medication with food

Atypical Antidepressants

Bupropion


Mirtazapine

Mode of Action: Bupropion

blocks reuptake of dopamine/norepinephrine

Mode of Action: Mirtazapine

blocks alpha 2-adrenergic and 5HT receptors which increases the released on NE and 5HT

General Side effects of SNRIs

Nausea, insomnia , agitation, GI discomfort, sexual dysfunction

Side effects of Desvenlafaxine

insomnia/agitation, NAUSEA/gi discomfort, sexual dysfunction

Side effects of Duloxetine

insomnia/agitation, nausea, sex dysfunction

Side effects of Milnacipran

nausea/GI discomfort


The only SNRI that rarely causes sexual dysfunction and insomnia/agitation

Milnacipran

A SNRI that is a moderate inhibitor of P450 enzyme and contraindicated in narrow angle glaucoma, renal disease and liver disease

Duloxetine

Side effects of Venafaxine

insomnia/agitation, nausea/GI upset, sex dysfunction

Side effects of Buproprion

insomnia, dry mouth, nausea,


*drug of choice for depressed pt with sexual dysfunction, or also smokers

drug of choice for depressed pt with sexual dysfunction, or also smokers

Buproprion

Atypical Antidepressant that is a moderate P450 inhibitor, and contraindicated in seizure disorder

Buproprion

Side effects of Mirtazapine

Drowsiness/sedation, weiht gain, sexual dysfuction, dry mouth

Which Antidepressants can have sever drug interactions with MAOi SSRIs and TCAs?

SNRIs: must be careful no prevent serotonin syndrome

Common TCAs

Amitriptyline (Tryptomer)


Imipramine (Tofranil)


Clomipramine (Anafranil)


Desipramine (Norpramin)


Nortryiptyline (Pamelor)


Protriptyline (Vivactil)


Amoxapine (Asendin)


Butriptyline (Evadyne)

Mode of Action: TCAs

block reuptake of serotonin and norepinephrine back into the presynaptic neuron, prolonging the effect

Most commonly prescribed TCA's

Amitriptyline (Tryptomer)


Imipramine (Tofranil)


Desipramine (Norpramin)


Nortryiptyline (Pamelor)


What is the brand name of: Amitriptyline

Tryptomer



Amitriptyline (Tryptomer)


Imipramine (Tofranil)


Clomipramine (Anafranil)


Desipramine (Norpramin)


Nortryiptyline (Pamelor)


Protriptyline (Vivactil)


Amoxapine (Asendin)


Butriptyline (Evadyne)


What is the brand name of: Imipramine

Tofranil


What is the brand name of: Clomipramine

Anafranil


What is the brand name of: Desipramine


Norpramin


What is the brand name of: Nortriptyline

Pamelor


What is the brand name of: Protryptyline

Vivactil



What is the brand name of: Amoxapine

Asendin

What is the brand name of: Butryptyline

Evadyne

General Side Effects of TCAs

anticholinergic, drowsiness, antihistomine, QTC prolongation, weight gain, sexual dysfunction

Side effects of:Side effects of Amitriptyline

Anticholinergic, drowsiness, orthostatic hypotension, QTc prolongation, weight gain, sexual dysfunction

Side effects of: Imipramine

Anticholinergic, drowsiness, orthostatic hypotension, QTc prolongation, weight gain, sexual dysfunction

Side effects of: Nortriptyline

QTC prolongation, (other general TCA side effects to lesser degree)

Side effects of: Desipramine

QTC prolongation, (other general TCA side effects to lesser degree)

QTc prolongations can lead to

cardiac arrythmias which can lead to death

Why is it so easy to overdose on TCAs

rapid absorption in the GI tract

signs/symtpoms of TCA overdose

general: confusion, delirium, hallucinations, hyperthermia, flushing, dilated pupils, dry mouth, blurred vision, urinary retention



cardiac: tachycardia, arrythmias, Vfib, hypotension



CNS: altered mental status, seizures



treatment of TCA overdose

1. IV fluids to treat hypotension


2. NaHCO3 for QRS>100ms or any ventricular arrhythmia (1-2 mEq/kg initial dose)


3. Benzos for TCA induced seizures (lorazepam 1 mg IV)

Common MAOIs

Isocarboxazid (Marplan)


Phenelzine (Nardil)


Procarbazine (Matulane)


Tranylcypromine (Parnate)


Rasagiline (Azilect)


Selegiline (Deprenyl)

Mode of Actions: MAOIs

blocks the activity of monoamine oxidase enzyme, preventing breakdown of monamine neurotransmitters and increasing their availability

What is the brand name of: Isocarboxazid

Marplan


What is the brand name of: Phenelzine

Nardil

What is the brand name of: Procarbazine

Matulane

What is the brand name of: Tranylcypromine

Parnate

What is the brand name of: Rasagiline

Azilect

What is the brand name of: Selegiline

Deprenyl

MAOis commonly used to treat

atypical depression (hyperphagia, hypersomnia, leaden paralysis, rejection sensitivity)



refractory depression

Symptoms of Atypical Depression

hyperphagia, hypersomnia, leaden paralysis, rejection sensitivity

When do you clinically evaluate the effectiveness of MAOIs

after 4 weeks

Most Commonly prescribes MAOIs

tranylcypromine


phenelzine


selegiline

General Side effects of: MAOIs

orthostatic hypotension, sexual dysfunction, sleep disturbance, activation/insomnia, drowsiness, anticholinergic, weight gain



*No risk of QTc prolongation

Side effects of: Tranylcypromine

activation/insomnia, weight change, sexual dysfunction



*may have a transient BP rise after dosing which should subside 3-4 hrs later. Give last dose early in day due to activation side effect

Side effects of: Phenelzine

weight gain, sedation/drowsiness, sexual dysfunction, orthostatic hypotension



*high side effect profile

Side effects of: Selegiline

The only MAOI that rarely causes sexual dysfunction, weight change, GI discomfort or drowsiness


The only MAOI that rarely causes sexual dysfunction, weight change, GI discomfort or drowsiness

Selegiline

At low dose, this MAOI is used to treat Parkinson's, at high dose it is used to treat depression

Selegiline

The only antidepressant patch (transdermal medication)

Selegiline

MAOI induced hypertensive crises

*when MAOI mixed with tyramine rise foods (smoked meats/cheese, alcohol, sour cream yogurt)


*MAOI presents metabolism of tyramine in the GI tract, so it gets absorbed in the GI tract

Hypertensive crises occurs most commonly with which MAOI?

tranylcypromine

Presentation of Hypertensive Crises

*occurs 1-2 hrs after ingestion of tyramine


*BP can rise to 160/90 to 220/115 mmHg


*headache most common symptom+ palpitations and tachycardia


*complications: cerebral bleed, cardiac arrhthmias and failure, pulmonary edema, death


Management of Hypertensive Crises

1. BP lowering meds (nifedipine, nicardipine, nitroprusside, phentolamine)


2. stop MAOI temporarily and stop consumption of tyramine-rish foods

To prevent serotonin syndrome when starting a pt on MAOI:

*pt must stop current SSRI or TCA for 2 weeks prior to starting MAOI


*pt must wait 2 weeks after stopping MAOI before starting another serotonergic med

Common Benzos used in psychiatry

Alprazolam (Xanax)


Lorazepam (Ativan)


Diazepam (Valium)


Clonazepam (Klonopin)


Temazepam (Restoril)


Estazolam (Prosom)


Flurazepam (Dalmane)


Midazolam (Versed)


Oxazepam (Serax)


Triazolam (Halcion)

What is the brand name of: Alprazolam

Xanax

What is the brand name of: Lorazepam

Ativan

What is the brand name of: Diazepam

Valium


What is the brand name of: Clonazepam

Klonopin

What is the brand name of: Temazepam

Restoril

What is the brand name of: Estazolam



Prosom



What is the brand name of: Flurazepam

Dalmane

What is the brand name of: Midazolam

Versed

What is the brand name of: Oxazepam

Serax


What is the brand name of: Triazolam

Halcion

Common uses of benzos

treats anxiety, alcohol withdraw, cocaine overdose, agitation, insomnia, seizures

Mode of Action of: Benzos

increase the affinity of GABA-A receptor for GABA (the main inhibitory CNS neurotransmitter)

Most commonly used benzos

Alprazolam (Xanax)


Lorazepam (Ativan)


Diazepam (Valium)


Clonazepam (Klonopin)


Temazepam (Restoril)


Pharmacokinetics of: Chlordiazepoxide (Librium)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: intermediate (PO)


peak onset: 2-4 hrs


half-life parent: 5-30 hrs


half-life metabolite: 3-100 hrs


comparative oral dose: 10 mg

Pharmacokinetics of: Diazepam (Valium)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: rapid (PO, IV)


peak onset: 1 hr (PO)


half-life parent: 20-50 hrs


half-life metabolite: 3-100 hrs


comparative oral dose: 5 mg

What is the brand name of: Chlordiazepoxide

Librium

Pharmacokinetics of: Flurazepam (Dalmane)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: rapid


peak onset: 30min -2hrs


half-life parent: inactive


half-life metabolite: 47-100 hrs


comparative oral dose: 30 mg

Long Acting Benzos

Chlordiazepoxide (Librium)


Diazepam (Valium)


Flurazepam (Dalmane)

Intermediate Acting Benzos

Alprazolam (Xanax)


Clonazepam (Rivotril)


Lorazepam (Ativan)


Oxazepam (Serax)


Temazepam (Restoril)

Pharmacokinetics of: Alprazolam (Xanax)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: intermediate


peak onset: 0.7-1.6 hrs


half-life parent: 6-20 hrs


half-life metabolite:


comparative oral dose: 0.5 mg

Pharmacokinetics of: Clonazepam (Rivotril)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: intermediate


peak onset: 1-4 hrs


half-life parent: 18-39 hrs


half-life metabolite:


comparative oral dose: 0.25 mg

Pharmacokinetics of: Lorazepam (Ativan)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: intermediate (PO), rapid (IV)


peak onset: 1-1.5 hrs (PO)


half-life parent: 10-20 hrs


half-life metabolite:


comparative oral dose: 1 mg

Pharmacokinetics of: Oxazepam (Serax)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: slow


peak onset: 2-3 hrs


half-life parent: 3-21 hrs


half-life metabolite:


comparative oral dose: 15 mg

Pharmacokinetics of: Temazepam (Restoril)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: slow


peak onset: 0.75-1.5 hrs


half-life parent: 10-20 hrs


half-life metabolite:


comparative oral dose: 30 mg

Short Acting Benzos

Midazolam (Versed)


Triazolam (Halcion)

Benzos with slow onset of action

Oxazepam (Serax)


Temazepam (Restoril)

Pharmacokinetics of: Midazolam (Versed)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: most rapid (IV)


peak onset: 0.5-1 hrs (IV)


half-life parent: 1-4 hrs


half-life metabolite:


comparative oral dose:

Pharmacokinetics of: Triazolam (Halcion)


onset of action:


peak onset:


half-life parent:


half-life metabolite:


comparative oral dose:

onset of action: intermediate


peak onset: 0.75-2 hrs


half-life parent: 1.6-5.5 hrs


half-life metabolite:


comparative oral dose: 0.5 mg

General Side Effects: Benzos

*prone to habit forming, toxicity and withdrawal


*drowsiness, dizziness, GI upset, blurred vision, headache, depression, impaired coordination, falls, "hangover effect" grogginess, weakness, memory loss, excessive dreams/nightmares

Benzo toxicity

*usually in context of intentional overdose


*often occurs with co-ingestion of alcohol, or surgical sedationP

Presentation of Benzo Toxicity

CNS depression with NORMAL VITLA SIGNS


slurred speech, ataxia, altered mental status


in severe cases: comatose


respiratory depression can occur


*benzo overdose has low rate of morbidity and mortality

Management of Benzo Toxicity

1. ensure patent airway, breathing, circulation


2. supportive therapy (O2, IV fluids)


3. Flumazenil 0.2 mg IV doses (usually considered for procedural benzo sedation reversal on benzo-naive patients), it does not reverse respiratory depression


Benzo Withdrawal

*can be fatal


*symptoms present as dry as 24-48 hrs from last dose


*benzos with long half life can present up to 3 weeks after use


*to prevent benzo withdrawal: chose long half life benzos and gradually taper over several months

to prevent benzo withdrawal:

chose long half life benzos and gradually taper over several months

Presentation of Benzo Withdrawal

similar to etoh withdrawal


tremors


anxiety


altered mental status


dysphoria


psychosis


high BP


tachycardia


chest pain


blurred vision


seizures


Management of Benzo Withdrawal

1. IV Diazepam (because of long half-life) titrated to effect, taper to 2-3 months


2. If mild benzo withdrawal effect: consider giving the same benzo that patient normally takes


Antipsychotics:


1st generation: (nueroleptics/conventional)


Antipsychotics:


1st generation: Haloperidol (Haldol), Chlorpromazine (Thorazine), Loxapine (Loxitane), Tloridazine (Mellaril), Molidone (Moban), Fluphenazine (Prolixin), Trifluoperazine (Stelazine), Perphenazine (Trilafon)



Antipsychotics:


2nd generation:

Antipsychotics:


2nd generation: Aripiprazole (Abilify), Risperidone (Risperdal), Olanzapine (Zyprexa), Quetiapine (Seroquel), Clozapine (Clozaril), Ziprasidone (Geodon)

Mode of Action: Antipsychotics

blocks to D2 dopamine receptor,


others antipsychotics can also block (5Ht, alpha, histamine, muscarinic)

Antipsychotics are used to treat:

schizophrenia


bipolar disorder


psychosis

Commonly prescribed 1st generation antipsychotics

1st generation:


Haloperidol (Haldol)


Chlorpromazine (Thorazine)


Loxapine (Loxitane)


Mellaril (thioridazine)


Molidone (Moban)


Fluphenazine (Prolixin)


Trifluoperazine (Stelazine)


Perphenazine (Trilafon)

What is the brand name of: Haloperidol

Haldol

What is the brand name of: Chlorpromazine

Thorazine


What is the brand name of: Lozapine

Loxitane


What is the brand name of: Mellaril

Thioridazine


What is the brand name of: Molidone

Moban


What is the brand name of: Fluphenazine

Prolixin


What is the brand name of: Trifluoperazine

Stelazine


What is the brand name of: Perphenazine

Trilafon

Commonly prescribed 2nd generation antipsychotics

Aripiprazole (Abilify)


Risperidone (Risperdal)


Olanzapine (Zyprexa)


Quetiapine (Seroquel)


Clozapine (Clozaril)


Ziprasidone (Geodon)


Olanzapine/Fluoxetine (Symbyax)

What is the brand name of: Aripiprazole

Abilify

What is the brand name of: Risperidone

Risperdal


What is the brand name of: Olanzapine

Zyprexa


What is the brand name of: Quetiapine

Seroquel

What is the brand name of: Clozapine

Clozaril

What is the brand name of: Ziprasidone

Geodon

What is the brand name of: Olanzapine/Fluoxetine

Symbyax

General Side Effects of 1st generation antipsychotics

weight gain/DM, extrapyramidal signs, tardive dyskinesia, hyperprolactinemia, sedation

antipsychotics noted for causing extra pyramidal symptoms, tardive dyskinesia, hyperprolactinemia

1st generation antipsychotics

1st generation antipsychotic with greatest risk of weight gain/DM and sedations

Chlorpramazine


*also significant anticholinergic side effects


*lowest risk for EPS/TD

1st generation antipsychotic with significant risk for EPS/TD, hyperprolactinemia


*most commonly used antipsychotic used for agitation in the elderly

Haloperidol (Haldol)

*most commonly used antipsychotic used for agitation in the elderly

Haloperidol (Haldol)

1st generation antipsychotic with lowest risk of EPS/TD, BUT has significant risk of hyperprolacteinemia, retinitis pigmentosa and QTc prolongation

Thioridazine (Mellaril)

1st generation antipsychotic that can cause retinitis pigmentosa+QTc prolongation and hyperprolactinemia

Thioridazine (Mellaril)

Common side effect of Pimozide

QTc prolongation

General Side Effects of 2nd generation antipsychotics

weight gain/DM, hypercholesterolemia, sedation, orthostatic hypotension, QTc prolongation


*noted for their weight gain and metabolic effects

2nd generation antipsychotics: lowest side effect profiles

Aripiprazole


Ziprasidone

2nd generation antipsychotics: Clozapine

weight gain/DM, hypercholesterolemia, anticholergic, orthostatic hypotension


*risk of agranulocytosis, myocarditis, thromboembolism

2nd generation antipsychotic with risk of agranulocytosis, myocarditis, thromboembolism

Clozapine

2nd generation antipsychotics: prone to cause weight gain/DM and hypercholesterolemia

Olanzapine and Quetiapine

2nd generation antipsychotic: greatest risk for EPS/TD and hyperprolactinemia (like 1st gen)

Risperidone

2nd generation antipsychotics with mild QTc prolongation

Ziprasidone


Quetiapine


Risperidone

2nd generation antipsychotic: used to treat persistent psychosis, but carries risk of agranulocytosis

Clozapine

Nueroleptic Malignant Syndrome

*potentially fatal neuroleptic emergency


*mortality 10-20%, incidence 0.02-3%, men:woman 2:1


*typically manifests in first 2 weeks of neuroleptic use


*often seen w/ high potency neuroleptics (Haloperidol, Fluphenazine)

Tetrad presentation of Nueroleptic Malignant Syndrome

1. altered mental status: initial symptom in 82%, usually agitation, although catatonia and mutism possible


2. lead pipe rigidity


3. hyperthermia (can be> 104 F)


4. autonomic instability: tachycardia, high BP, tachypnea, diaphoresis

Diagnostic clues of Nueroleptic Malignant Syndrome

elevated CK (1,000-100,000)


leukocytosis


electrolyte abnormalities


possible AKI 2/2 myoglobinuria


low Fe (92-100% sensitive, not specific)

Management of Nueroleptic Malignant Syndrome

1. Stop offending agent


2. supportive therapy (O2, IV Fluids, cooling blanket for fever)


3.Nitroprusside or Clonidine to lower BP


4. Benzos for agitation


5. Heparin or enoxaparin for DVT prophylaxis


6. Dantrolene 1 mg/kg IV dose (max 10 mg/day) for 10 days with slow taper or Bromocriptine 2.5 mg NGT Q6-8hrs (max 40 mg/day) continued for 10 days after NMS is controlled, then slowly taper


Restarting neuroleptics after Nueroleptic Malignant Syndrome

*wait at least 2 weeks before resuming neuroleptics


*choose lower potency over higher potency neuroleptics


*start with lower dose first

Extrapyramidal Symptoms (EPS)

*a concern for pt on neuroleptics and some antipsychotics


*most commonly caused by Haloperidol, Fluphenazine, Pimozide, Trifluoperazine, Thiothixene and Risperdone

Symtoms of Extrapyramidal Symptoms (EPS)

*akathisia (most common form of EPS, restlessness, urge to move, can't sit still)


*acute dystonia


*parkinsonian syndrome


*tardive dyskinesia

Management of Extrapyramidal Symptoms (EPS) symptom of Akathishia

1. decrease dose of antipsychotic


2. start lorazepam 0.5 mg BID, increase to 10 mg/day if needed


3. start propanolol 10 mg BID or Benztropine 1 mg BID

Akathisia (EPS symptom)

most common form of EPS, restlessness, urge to move, can't sit still


Acute dystonia (EPS symptom)

involuntary muscle contractions, torticollis, retrocollis, oculogyric crisis (eyes deviate upward), opisthotonos, laryngospasms (can be fatal)



*risk factors: young male, cocaine use, hx of dystonia

Risk Factors for Acute dystonia (EPS symptom)

young male, cocaine use, hx of dystonia

Management of Acute dystonia (EPS symptom)

1. mild dystonia->Benztropine 1mg BID, mod dystonia->Benztropine or Diphenhydramine 50 mg IV or IM Qday


2. change antipsychotic to own with lower risk for EPS or consider prophylactic Benztropine (especially with Haloperidol)

What should be given prophylactically with Haloperidol to prevent Acute dystonia (EPS symptom)

Benztropine 1 mg IM, especially in antipsychotic naive patients

Parkinsonian Syndrome (EPS symptom) presentation:

mask-like facies


resting tremor


cogwheel rigidity


shuffling gait


bradykinesia

Management of Parkinsonian Syndrome (EPS symptom)

1. Benztropine 1-2 mg/day or Amantadine 100 mg PO BID

Tardive Dyskinesia (EPS symptom)

involuntary movements of the face and extremities that occurs after years of antipsychotic treatment

Presentation of Tardive Dyskinesia (EPS symptom)

lip smacking


choreoathetoid tongue movements


facial grimacing


lateral jaw movements


choreiform movements of extremities/trunk


blepharospasm

How often should you evaluate patients on antipsychotics for tar dive dyskinesia

annually

Management of Tardive Dyskinesia (EPS symptom)

1. stop offending drug


2. switch from 1st gen to 2nd gen antipsychotic with lower risk of TD (clozapine or quetiapine)


*currently no drug to treat TD

When a patient is admitted who has a psychiatric history, you must...

continue home psych medications (unless part of the chief complaint), to prevent withdrawal

Withdrawal Symptoms: Mirtazapine

dizziness


abnormal dreams


paresthesias


agitation


anxiety/fatigue/confusion


headache


tremor


nausea/vomiting


diaphoresis

Withdrawal Symptoms: Buproprion

NONE

Withdrawal Symptoms: SSRIs


*most commonly with paroxetine and fluvoxamine

dysphoria, dizziness, GI distress, fatigue, chills, MYALGIAS

Withdrawal Symptoms: Venlafaxine

dizziness, flu-like symptoms, anxiety

Withdrawal Symptoms: MAOI

delirium, agitation, myoclonic jerks and insomnia

Withdrawal Symptoms: TCAs

irritability, agitation, sleep disturbances, flu-like symptoms, rarely cardiac arrhythmias

Withdrawal Symptoms: Benzos

tremors, anxiety, perceptual disturbances, dysphoria, psychosis and seizures