Term
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Definition
GIDDINESS
Grandiosity
Increased activity
Decreased judgement
Distractibility
Irritability
Need for sleep decreased
Elevated mood
Speedy thoughts
Speedy speach |
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Term
DSM-IV-TR
Criteria for a Manic Episode |
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Definition
1. > 1 week of elevated, expansive, or irritable mood 2. Mood Disturbances: > 3 of the following symptoms:
- Grandiosity
- Decreased need for sleep
- Hyperverbal
- FOI
- Distractibility
- Excessive involvement in pleasurable activities
- Increase in goal-directed activity
3. Symptoms must not meet criteria for mixed episode
4. Mood disturbances severe enough to cause marked impairment, need for hospitalization, or psychosis is present
5. Symptoms not due to substance abuse or general medical condition (hyperthyroidism) |
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Term
Hypomania Characteristics |
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Definition
- Less severe form of mania
- At least 4 days of persistently elevated mood and associated with > 3 of the following symptoms:
- inflated self-esteem
- decreased need for sleep
- distractibility
- irritability
- pressured speech
- increased activity or excessive involvement in pleasurable activities
- racing thoughts (FOI)
- Hospitalization NOT required
- NO psychotic features
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Term
Bipolar Disorder, Type I: Characteristics |
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Definition
- Males = Females
- Presence of only 1 manic episode (necessary)
- The manic episode is not better accounted for by schizoaffective disorder
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Term
Bipolar Disorder, Type II: Characteristics |
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Definition
- Females > Males
- Presence or history of 1 or more major depressive episdoes
- Presence or history of at least 1 hypomanic episode
- There has never been a manic episode or a mixed episode
- The mood symptoms are not better accounted for by schizoaffective disorder
- The symptoms cause clinically significant distress or impairment in social, occupational, or other important areas of functioning
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Term
Bipolar Disorder Specifiers: Rapid Cycling |
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Definition
- > 4 mood episodes (mania, depression, mixed episode, hypomania) in 1 year
- 5-15% of patients with bipolar disorder
- > women (70-90%)
- More difficult to treat
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Term
Clinical Signs and Symptoms of Bipolar Disorder |
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Definition
Stage 1 (hypomania)
euphoria, labile mood, grandiosity, overconfidence, racing thoughts, hyperverbal
Stage 2 (mania)
irritability, dysphoria, hostility, anger, delusions, cognitive, disorganization
Stage 3 (psychosis)
terror, panic, bizarre, behavior, hallucinations, disorientation |
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Term
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Definition
- Acute manic , mixed, and hypomanic episodes
- Acute major depressive episodes in bipolar disorder
- Maintenance tx of bipolar disorder
- Schizoaffective disorder
- Refractory schizophrenia
- Refractory depression
- Assaultive, aggressive, impulsive behavior
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Term
Mood Stabilizers: Medications |
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Definition
- Lithium
- Valproate
- Carbamazepine
- Lamotrigine
- Atypical Antipsychotics
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Term
Lithium: Therapeutic Uses |
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Definition
Most effective for Bipolar Disorder Type I
- Bipolar mania and depression
- Bipolar relapse prevention
- Unipolar depression augmentation
- Suicidality prevention
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Term
Lithium: Less Effective For... |
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Definition
Rapid Cyclers and Mixed Episodes |
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Term
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Definition
- Antagonizes Adrenergic and Dopaminergic activity
- Enhances serotonergic activity
- Inhibits neurotransmitter-coupled Adenyly Cyclase activity and cAMP formation
- Inhibits PIP
- Inhibits G-protein coupling to muscarinic cholinergic and beta-adrenergic receptors
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Term
Lithium Plasma Level Monitoring |
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Definition
0.8-1.5 mEq/L --> acute mania
0.6-1.2 mEq/L --> maintenance
Toxicity may occur if > 1.5 mEq/L
Every 300 mg increase in dose will increase Lithium plasma levels by 0.15-0.35 mEq/L |
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Term
When should you draw Lithium plasma levels? |
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Definition
- Draw plasma levels 12 hrs post-dose
- Obtain plasma level ~ 5 days after initiating therapy or after dose change
- Check plasma levels every 1-2 weeks until patient is stabilized
- Maintenance plasma levels may be measured every 3-6 months
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Term
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Definition
Initial: 300-1200 mg/day in divided doses BID-TID
100 lbs -- 300 mg BID
150 lbs -- 300 mg TID or 450 mg TID
200 lbs -- 600 mg TID
Increase by 300 mg to 600 mg q 5 days depending on Lithium plasma level
Acute dosing range: 1200-2700 mg/day
Usual maintenance dose: 900-1800 mg/day
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Term
Lithium Early-Onset Adverse Effects |
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Definition
- Nausea/vomiting
- Diarrhea
- Fine hand tremor
- Muscle weakness
- Fatigue
- Lethargy
- Headache
- Polydipsia and polyuria
- Impaired cognitive functioning
- "Mental clouding or loss of creativity"
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Term
Managing Adverse Effects for Lithium: GI upset |
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Definition
- Take Li with food
- Change to ER product
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Term
Managing Adverse Effects for Lithium: Polyuria/Polydipsia |
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Definition
- Give total dose q HS to decrease urine volume
- Add HCTZ 25-50 mg/day and decrease Li dose or add amiloride
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Term
Managing Adverse Effects for Lithium: Intentional Hand Tremor |
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Definition
- Check for toxicity and consider decrease Li dose
- Change to ER product
- Add propranolol 20-120 mg/day
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Term
Lithium Late-Onset Adverse Effects |
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Definition
- Cardiovascular: prolonged QT interval, T-wave flattening or inversion, AV block, bradycardia
- Dermatologic: worsens acne, alopecia
- Endocrine: hypothyroidism
- Metabolic: weight gain
- Hematologic: benign reversible leukocytosis
- Nephrologic: decreased GFR, diabetes insipidus
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Term
Lithium Baseline Monitoring |
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Definition
- Thyroid (TSH) - q 6 month
- Renal function (SCr and BUN) - q 3 month
- CBC with diff
- Electrolytes (hyponatremia)
- ECG (pt > 40 yo or preexisting heart condition)
- Urinalysis (specific gravity)
- Pregnancy test
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Term
Lithium Acute Toxicity: Moderate and Severe |
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Definition
Moderate (> 1.5 mEq/L)
- Confusion
- Sedation
- Lethargy
- Muscle weakness
- Ataxia
- Dysarthria
- N/V
- Slurred speech
- Fine to coarse hand tremor
Severe (> 3.0 mEq/L)
- Hyperreflexia
- Delirium
- Seizures
- Coma
- Renal failure
- Death
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Term
Lithium: Increased Risk for Toxicity |
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Definition
- Elderly patients
- Drug interactions (NSAIDs, ACEI, ARBs)
- Na+ restricted diets (< 2 g/day)
- Dehydration, heavy exercise, hot weather
- Vomiting and severe diarrhea
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Term
Treatment of Acute Lithium Toxicity |
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Definition
- Discontinue Li
- Gastric lavage
- Monitor for fluid imbalance and rehydrate
- Correct electrolyte imbalances
- Intermittent hemodialysis (12 hrs on, 12 hrs off) -- can increase lithium clearance
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Term
Lithium: Drugs that increase Li |
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Definition
- NSAIDs -- enhances reabsorption of Li secondary to inhibition of PG synthesis
- Diuretics -- cause Na depletion which causes an increase in proximal tubular reabsorption of Li
- ACEI -- volume depletion = decrease in GFR causing decrease Li excretion and increase Li levels
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Term
Lithium: Drugs that decrease Li |
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Definition
- Theophylline and Caffeine -- increase the renal clearnace of Li
- Alcohol -- concomitant use of Li + EtOH results in small increase or decrease in Li plasma concentration
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Term
Lithium: Pharmacodynamic Drug Interactions and Neurotoxicity |
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Definition
- Methyldopa
- Carbamazepine
- CCB (diltiazem, verapamil)
- Phenytoin
- SSRIs (fluvoxamine, fluoxetine)
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Term
Valproate for Bipolar Disorder: Positive predictors of response |
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Definition
- Rapid cycling or mixed mania
- Hx of head trauma
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Term
Valproate for Bipolar Disorder: Advantages |
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Definition
- Lower risk of toxicity (OD risk)
- Safer in renal disease
- Less drug interactions (compared to Li)
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Term
Valproate for Bipolar Disorder: Disadvantages |
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Definition
- Less evidence for relapse prevention
- Hepatotoxicity
- No IM dosage form available
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Term
Valproate Dosage Forms: Divalproex Na |
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Definition
- Enteric Coating Available
- Absorption in the small intestine
- QD-TID dosing
- GI upset +
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Term
Valproate Dosage Forms: Valproic Acid |
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Definition
- No Enteric Coating Available
- Absorption in the stomach
- BID-TID dosing
- GI upset +++
- Liquid capsules
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Term
Valproate Dosage Forms: Divalproex Na ER |
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Definition
- No Enteric Coating Available
- Absorption in the small intestine
- QD dosing
- GI upset +
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Term
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Definition
Initial Slow Titration
- 250 mg BID or TID, increase by 250-500 mg q 3-7 days as tolerated
Initial Loading Dose
- 20 mg/kg/day
- Add "0" to weight in lbs
Usual Maintenance Dose
Max Recommended Maintenance Dosage
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Term
Valproate Adverse Effects |
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Definition
Dose-Related ADRs
- GI upset (nausea, diarrhea, dyspepsia)
- Sedation, ataxia
- Intentional hand tremor
- Transient elevated LFTs
- Thrombocytopenia (< 100,000 caution; < 50,000 d/c)
- Weight gain
- Amenorrhea - PCOS
Other ADRs
- Alopecia
- Hyperammonemia
- Rash
- Pancreatitis
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Term
Valproate Black Box Warning |
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Definition
- Teratogenicity
- Hepatotoxicity
- Pancreatitis
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Term
Valproate Plasma Level Monitoring |
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Definition
- Obtain plasma level 2-3 days after initiating tx or after dose change
- Draw plasma levels 12 hrs post-dose
- Obtain plasma levels monthly until stable, until q 3 months
- Therapeutic plasma level: 50-125 mcg/mL
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Term
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Definition
- LFTs, Bilirubin
- CBC with diff
- Routine weight
- Ammonia levels (if symptomatic)
- Vagina consult
- Prego test
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Term
Drug Interactions with Valproate |
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Definition
- Aspirin and Anticoagulants -- increase risk for bleeding
- Lamotrigine, lorazepam -- increase blood levels of lamotrigine, lorazepam
- Alcohol and CNS depressants -- increase toxicity of CNS depressants
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Term
Lamotrigine Dosing: Escalation Regimen for patients NOT taking carbamazepine or valproate |
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Definition
- weeks 1-2 initiate therapy with 25 mg QD
- weeks 3-4 give 50 mg QD
- week 5 give 100 mg QD
- weeks 6-7 and thereafter, give 200 mg QD
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Term
Lamotrigine Dosing: Escalation Regimen for patients taking valproate |
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Definition
- weeks 1-2 initiate therapy 25 mg every other day
- weeks 3-4 give 25 mg QD
- weeks 5 give 50 mg QD
- weeks 6-7 and thereafter, give 100 mg QD
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Term
Lamotrigine Dosing: Escalation Regimen for patients taking carbamazepine, phenytoin, phenobarbitol, primidone or rifampin |
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Definition
- weeks 1-2 initiate therapy with 50 mg QD
- weeks 3-4 give 50 mg BID
- week 5 give 100 mg BID
- week 6 give 150 mg BID
- week 7 and thereafter, > 200 mg BID
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Term
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Definition
- Dizziness
- Somnolence
- Ataxia
- N/V
- Blurred vision
- HA
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Term
Lamotrigine: Black Box Warning |
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Definition
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Term
Lamotrigine: Monitoring Parameter |
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Definition
- Skin for rash
- LFTs annually
- No plasma blood monitoring necessary
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Term
Carbamazepine Dosing: Tx for bipolar disorder (mania or depression), alone or in combo with Li |
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Definition
Oral dosage regular-release tab
- Initially dose 200 mg BID
- Increase q 3-4 days to achieve therapeutic serum conc.
- Usual range 600-1600 mg QD in divided dose
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Term
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Definition
- CNS: sedation, slurred speech, dizziness, ataxia, diplopia
- Hyponatremia
- Transient LFT increases: cholestatic jaundice
- Severe rash: rare
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Term
Carbamazepine: Black Box Warnings |
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Definition
- Agranulocytosis
- Aplastic anemia
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Term
Carbamazepine: Plasma Monitoring |
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Definition
- Obtain plasma level 7 days after initiating therapy or after dose change (need 1 week to reflect new steady state)
- Draw plasma levels 12 hr post dose
- Obtain level weekly during titration; every 3 months or as clinically necessary thereafter
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Term
Carbamazepine: Therapeutic Levels |
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Definition
- 4-12 mcg/mL (tx of seizure disorder)
- 8-12 mcg/mL (establish adequate trial)
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Term
Carbamazepine: Lab Monitoring |
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Definition
- Liver (ALT/AST)
- CBC
- Urinalysis and BUN
- Metabolic Panel
- ECG
- Pregnancy test
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Term
Oxcarbazepine Dosing: Tx of bipolar disorder, including mania |
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Definition
- Initiate at 300 mg BID
- Increase (as tolerated) by 300 mg QD every third day or 600 mg QD at weekly intervals
- Usual maintenance dose: 1200-2400 mg QD given in divided doses
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Term
Oxcarbazepine Dosing: Patient with Renal Impairment |
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Definition
Initiate tx at 1/2 usual starting dose and increase at slower rate |
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Term
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Definition
- Better tolerated than CBZ
- CNS -- sedation, dizziness, ataxia, HA
- Hyponatremia
- Rash
- Nausea
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Term
Oxcarbazepine Plasma Level Monitoring |
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Definition
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Term
Oxcarbazepine Lab Monitoring |
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Definition
- Metabolic panel -- significant hyponatremia (Na<125mmol/L) may develop usually during 1st 3 months of tx
- Monitor at baseline, monthly for 1st 3 months and when s/sx of hyponatremia occur --> nausea, malaise, HA, lethargy, confusion
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Term
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Definition
- 25-50 mg/day
- Titrate in increments of 25-50 mg/week (max = 1600 mg/day)
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Term
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Definition
- Weight loss (nausea,dyspepsia)
- Kidney stones
- Narrow angle glaucoma
- Oligohydrosis
- Metabolic acidosis
- Cognitive dysfunction
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Term
Atypical Antipsychotics in Bipolar Disorder |
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Definition
- Usually used to help stabilize pts who are acutely manic or agitated
- Generally not accepted as monotherapy for maintenance, although olanzapine and aripiprazole are indicated for maintenance treatment
- Pts with mood disorders may be more sensitive to EPS, which is a possibility with the atypical antipsychotics
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Term
APA Guidelines for Bipolar Disorder Type I |
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Definition
- 1st line -- Li, VPA, or SGA
- 2nd line -- carbamazepine, oxcarbazepine
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Term
APA Guidelines for Bipolar Disorder Type II |
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Definition
- 1st line -- Li or lamotrigine or quetiapine
- Other -- fluoxetine + olanzapine combo
- Psychosis or high suicide rate -- add SGA or ECT
- May add on antidepressants in more severely ill pts
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Term
APA Guidelines for Bipolar Disorder, Mixed or Rapid Cycling |
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Definition
- 1st line -- Combo therapy -- VPA may be more effective than Li
- Rapid cycling -- d/c all antidepressants
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Term
Bipolar Disorder: Non-Rx Recommendations |
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Definition
- Adequate sleep hygeine
- Stress reduction
- Psychoeducaiton
- Balanced diet (L-tryptophan) + omega-3 fatty acids
- ECT (tx refractory)
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