Therapeutics of Bipolar Disorder Flashcards
DSM IV Criteria for Manic Episode
3+ sx >1week persisting all day long
Sx: DIG FAST
Distractible Impulsive Grandiosity Flight of ideas Activities = risky Sleep = none Talkative
Bipolar I
Manic > depressive
Bipolar II
Manic < depressive
Which state do most bipolar patients spend their lives in?
Depressive
3 Classes of Mood Stabilizers
Lithium
SGAs
Anticonvulsants
What is the onset of effect of Lithium for mania vs depressive episodes?
Mania: 7-14 days
Depression: 6-8 weeks
Lithium Pregnancy Category and why
D - heart defects
Lithium significant kinetics
Absorbed readily - not bound
Distributed widely
Linear kinetics
Renally excreted
Lithium TDM
Maintenance range: 0.6-1.2
Acute mania range: 1-1.2
>1.2 = NV, diarrhea, tremor, MS changes then seizure and death
Lithium Toxicity
Mild: hold dose and get level
Sever: hold dose, get level, hydration, O2, monitor regularly and get labs
Lithium Side Effects
NV: Take with food Tremor: decrease dose Weight gain: diet and exercise Polyuria: decrease dose Hypothyroidism: synthroid Acne: topicals NEPHROTOXIC
Lithium Monitoring
Labs
Levels 5-7 days after dose adjustments
Levels and labs every 6 months
Drugs Increasing Li Levels
NSAIDs, thiazide diuretics, loops, ACEis
Drugs Decreasing Li Levels
K+ sparing diuretics, loop diuretics, theophylline, caffeine
Depakote Preferred Use
Mix episodes
Depakote Onset
Mania: 3-5 days
Depakote Kinetics
Absorbed readily
Highly protein bound
Hepatic excretion