Psych Drugs Exam 3 Flashcards
Benzo MOA
-Used for anxiety disorders
-Enhances GABA producing inhibitory effects
-GABA receptor agonist
-Rapid relief of anxiety
Benzo SE
-CNS depression
-Anterograde amnesia
-Acute toxicity: Lethargy, confusion , resp depression, cardiac or resp arrest
-Paradoxical response: Anxiety, restlessness, insomnia, excitation, rage
-Withdrawal: Anxiety, insomnia, diaphoresis, tremors lightheadedness
Benzo contra-indications
-Schedule IV controlled substance, risk of dependence: preferred in the short term
-Contraindicated in pt with sleep apnea, resp depression, glaucoma
-Caution in pt with liver disease, mental illness and substance use disorder
-Interacts with CNS depressants: alc, opiods –> resp depression
What do you take benzos for
-Generalized anxiety disorder
-Panic disorder
-Seizure disorder
-Insomnia
-Muscle spasms
-Alc withdrawal
-Anesthesia induction
-Amnesic before surgery
Alprazolam (XANAX)
Benzo
Diazepam (Valium)
Benzo
Lorazepam (Ativan)
Benzo
Clonazepam (Klonpin)
Benzo
SSRI
-Inhibits serotonin reuptake, making its effects more pronounced
-More serotonin in the receptor the greater the effect
SSRI SE
-Take in morning for minimizing sleep disturbances
-Sexual dysfunction (Decreased libido)
-CNS stimulation (Anxiety, insomnia, agitation weight loss (early) and gain (late)
-Rash
-Hyponatremia
-Sleepiness
-Faintness, lightheadedness
-GI bleeding
-Brixism
-Alopecia
SEROTONIN SYNDROME (2-72 hr after initial treatment)
-Withdrawal: headache,N+V visual disturbances, anxiety, dizziness tremors
SSRI contraindications
-Pregnancy (birth defects, newborn pulmonary htn)
-Contraindicated with MAOIs and TCA, St john wort, tramdol –> setatonin syndrome
-Caution with liver, renal, cardiac dysfunction, seizures, diaberes, ulcers, GI bleeding, Alc
-Can caused prolonged QT interval in cardiac pt
-Caused increased risk for bleeding in antiplt therapy
-Lithium and TCA can increase in level
What is SSRI for
-MDD
-GAD, Panic disorders
-OCD
-PTSD
-Social anxiety
-Bulimia nervosa
-Premenstrual dysphoric disorders
Fluoxetine (Prozac)
SSRI
-Specifically: Panic, OCD
Paroxetine (Paxil)
SSRI
Citalopram (Celexa)
SSRI
Sertraline (Zoloft)
SSRI
-Specifically: Panic, ocd, SAD, PTSD
Escitalopram (Lexapro)
SSRI
-Specifically: GAD, OCD
Fluvoxamine (Luvox)
SSRI
-Specifically: SAD, OCD
SNRI(SSNRI) MOA
Inhibits the reuptake of Norepi and serotonin, leading to greater effects
-More time in the receptor more effect
SNRI(SSNRI) SE
Nausea
Vomiting
Diarrhea,
Dry mouth, yawning
Anxiety
Tremors
Tachycardia
Vision changes
Diaphoresis
Suicidal ideation
HTN
Chest Pain
Weight changes
Rash
Ecchymosis
SNRI(SSNRI) contraindications
-Hypersensitivity to serotonin drugs, use with MAOI drugs
-Risk of serotonin syndrome
-Dont drink alc with it
SNRI (SSNRI) Interactions
-Antiplt therapy can increase risk of bleeding
-Lithium and TCA levels can increase with use
-Use with other serotonin drugs, (MAOI), lithium, St john wort –> serotonin syndrome
SNRI (SSNRI) notes
- Dont take with alc
-Take with food and water
-Dont stop suddenly, withdrawal
-May affect glycemic control
-May cause neonatal substances
Venlafaxine
-Effexor (Brand name)
-SSNRI (SNRI)
Desvenlafaxine
(Pristiq)
-SSNRI (SNRI)
-May cause GI bleed, increased cholesterol levels
Duloxetine
Cymbalta (Brand name)
-SSNRI (SNRI)
-May cause hypoglycemia, orthostatic hypotension within the first week of use
-Pt with liver disease or drink excessive alc shouldnt use
Bupropion (Wellbutrin, Zyban): MOA
-Inhibit dopamine reuptake (Supposedly)
Atypical antidepressants: SE
Headache
-Dry mouth
-GI distress
-Tachycardia
-Nausea
-Restlessness
-Insomnia
-Loss of appetite, weight loss
-Seizures
-HTN
Atypical antidepressants: Contraindications
MAOI, Seizures, eating disorders
Atypical antidepressants: Interactions
MAOI: Toxicity, need to wait 2 weeks after stopping to avoid
-Suicidal ideation in children, adolescence that have depression or other psyche disorders
Bupropion (Wellbutrin, Zyban)
-Inhibits dopamine reuptake
-Atypical antidepressant
-Also used for smoking cessation
Trazodone
-Desyrel (Brand name)
-Inhibits reuptake of NE and Serotonin
-Need to report flu like S+S
Mirtazapine
-Remeron (Brand name)
-Atypical antidepressant
-Increases release of NE and serotonin
-Used for sleep in low doses
-Need to report flu like S+S
TCA MOA
-Inhibit reuptake of Serotonin and NE intensifying effects
TCA; SE
-Orthostatic hypotension
-Sedation
-Decreased seizure threshold
-Diaphoresis
-Anticholinergic effects
-Toxicity: cholinergic blockage, cardi tox, dysrhythmias
Contraindicatons TCA
-Preg
-Suicide risk pt, Risk of toxicity
-Seizures
Caution TCA
-CAD, diabetes, liver, kidney or resp disorders
-Urinary retention or obstruction
-Angle closure glaucoma
-BPH
-Hyperthyroidism
Interactions TCA
MAOI or St. John wort (serotonin syndrome)
-Antihistamines or other anticholinergics have additive effects
TCA Purpose
-Depression
-Anxiety
-Insomnia
-Neuropathic pain
-Fibromyalgia
MAOI: MOA
Blocks MAO in the brain which increases serotonin, dopamine, and NE available
-May take 1-3 weeks to begin producing effects, up to 2-3 weeks for the full effect
Amitriptyline
-Elavil (Brand name)
-TCA
Imipramine
-Tofranil (Brand name)
-TCA
Doxepin
-Sinequan (Brand name)
-TCA
Nortriptyline
-Aventyl, pamelor
-TCA
MAOI SE
CNS stimulation
-Orthostatic hypotension
-HTN crisis when taken with tyramine
-Local rash
-Suicidal ideation
MAOI contraindications
-Preg
-SSRI
-Pheochromocytoma, HF, RF, CVD, Cerebral vascular disease
MAOI Cautions
-Diabetes (Hides hypoglycemia)
-Seizure
-TCA
_foods with tyramine
MAOI interactions
-Tyramine: foods containing it can cause a HTN crisis
Antidote for a MAOI HTN crisis
-Phentolamine (regitine), or nifedipine (procardia)
Mood stabilizer MOA
-Serotonin receptor blockade and other neurochemical changes in brain
-May slow neuronal atrophy and promote neuronal growth
Mood stabilizer SE
-GI distress
-Fine hand tremors
-Polyuria
-Weight gain
-Renal tox
-Goiter, hypothyroidism
- Bradydysrhythmia
-Hypotension
-Electrolyte/ fluid imbalance
Mood stabilizer, Lithium: Mild toxicity SE
-<1.5 mEq/L
-Diarrhea, nausea, vomiting , thirst, fine hand tremors, muscle weakness, slurred speech, polyuria
Mood stabilizer, Lithium: Moderate Toxicity SE
-1.5-2
-GI distress, mental confusion, poor coordination, coarse tremors
Mood stabilizer, Lithium: Severe toxicity SE
-(2-2.5)
-Extreme polyuria of dilute urine , tinnitus, blurry vision, ataxia, seizures, severe hypotension, coma, resp complications
-Death
-Symptoms to coma and death with >2.5
Contraindications Mood stabilizer
-Pregnancy, breast feeding
Cautions Mood stabilizer
-Renal dysfunction, heart disease, dehydration , sodium depletions
Mood stabilizer interactions
-NSAIDS -> Increased lithium excretion
-Increased lithium excretion -> Renal toxicity; use with anticholinergics
-Renal toxicity -> Urinary retention, polyuria, abdominal discomfort
Mood stabilizer Purpose
-Bipolar disorder
-Acute mania
-Reduces suicide risk
-Psychotic disorders
-Alc use disorder
-Bulimia nervosa
Mood stabilizer notes
Need frequent blood draws
-2000-3000 ml of fluid daily
-Monitor sodium and weight
-Monitor lithium levels (2-3 weeks)
-Treatment may include emetics, gastric lavage or hemodialysis (high levels)
Lithium Carbonate
-Lithane (Brand name)
-Eskalith (Brand name)
-Lithobid (Brand name)
-Carbolith (Brand name)
-Mood stabilizer
Anticonvulsants MOA: Valproic acid
-potentiate GABA
-Gaba effects are greater
Anticonvulsants MOA: Carbamazepine
-Slows Na+ and Ca2+ reentry, slowing nerve conduction
Anticonvulsants MOA: Lamotrigine
-Inhibits glutamate
-(glutamate is responsible for excitation)
Valprotic acid: SE
-GI distress
-Pancreatitis
-Hepatotoxicity
-Thrombocytopenia
-Teratogenesis
Carbamazepine: SE
-Cognitive effects
-Blood abnormalities (Leukopenia, anemia, thrombocytopenia)
-Teratogenicity
-Hypo-osmolarity -> ADH loss, fluid loss, fluid overload
-Skin disorders
Lamotrigine SE
-Dizziness
-HA
-N+V
-Double vision
-Skin disorders
Anticonvulsants Contraindications
-Pregnancy
-Carbamazepine, with bone marrow suppression or bleeding disorders
-Valproic acid with liver disorders
Anticonvulsants interactions
None listed
Anticonvulsants purpose
-Treatment and prevention of relapse of mania and depressive episodes
-Mixed mania
-Rapid cycling bipolar disorders
-Schizophrenia
-“mood stabilizers”
Valproic Acid
-Depakote (Brand name)
-Anticonvulsants
-Inhibits gaba
Carbamazepine
-Tegretol (Brand name)
-Equetro (Brand name)
-Anticonvulsants
-Slows Na and Ca reabsorption
Lamotrigine
Lamictal (Brand name)
-Anticonvulsant
- Inhibits glutamine
2nd gen antipsychotics MOA
Blocks receptors for serotonin and dopamine, NE and histamine
2nd gen antipsychotics SE
-New onset diabetes mellitus
-Weight gain
-Hypercholesterolemia with increased risk for heart disease
-HTN
-Orthostatic hypotension
-Anticholinergic effects
-Agitation
-Dizziness
-Sedation
-Sleep disruption
-Mild EPS (ex-tremor)
2nd gen antipsychotics: Contraindications
Dementia
Risperidone, Preg
2nd gen antipsych: Cautions
-Avoid alc
-CVD cerebrovascular diseases, seizures, DM
2nd gen antipsych: Interactions
-Immunosuppressive medications can further suppress with clozapine;
-TCA can prolong QT interval and cardiac dysrhythmias
-Barbs, phenytoin and fluconazole disrupt hepatic metabolism
2nd gen antipsych notes
Oral disinter-grating tablets are available for pt with history of cheeking or pocketing meds, or have a hard time swallowing
-when you give Asenapine you cant eat 10 min before or after
Risperidone
-Risperdal (Brand name)
-2nd gen antipsych
-Available to give IM every q2-4 wk for less adherent pt
Olanzapine
-Zyprexa (Brand name)
-2nd gen antipsych
Quetiapine
-Seroquel (Brand name)
-2nd gen antipsych
Aripiprazole
- Abilify (Brand name)
-2nd gen antipsych
Ziprasidone
-Geodon (Brand name)
-2nd gen antipsych
Dantrolene
-Dantrium
-Treats muscle rigidity
-Used in Serotonin Syndrome
Diazepam
-Valium
-Used to treat muscle rigidity
-Used in Serotonin Syndrome
Propranolol
-Used in Serotonin Syndrome to block 5HT receptors
-Beta blocker, promotes vasodilation as well
Phenelzine
-Nardile (Brand name)
-MAOI
Tranylcypromine
-Parnate (Brand name)
-MAOI
Selegiline
(Emsam) (Brand name)
-MAOI
-Transdermal
Clonazepam
-Klonopin (Brand name)
Anxiolytics
-Used for treatment resistant mania and psychomotor agitation
Lorazepam
-Ativan (Brand name
-Anxiolytics
-Used for treatment resistant mania and psychomotor agitation
Diazepam
-Valium (Brand name)
-Anxiolytics
-Used for treatment resistant mania and psychomotor agitation
Alprazolam
-Xanax (Brand name)
-Anxiolytics
-Used for treatment resistant mania and psychomotor agitation