Mood Stabilizers Flashcards
(37 cards)
What is the gold standard medication for bipolar disorder?
Lithium
What are the therapeutic serum levels for lithium in acute mania?
0.8–1.2 mEq/L
What are the therapeutic levels for lithium in maintenance therapy?
0.6–1.0 mEq/L
What must you monitor regularly in a patient taking lithium?
Renal function, thyroid function, lithium level, electrolytes
What are the early signs of lithium toxicity?
Nausea, vomiting, diarrhea, tremor, thirst, polyuria
What are the late signs of lithium toxicity?
Confusion, ataxia, seizures, coma
What is the mnemonic for lithium side effects?
LITH — Leukocytosis, Insipidus (diabetes insipidus), Tremor, Hypothyroidism
Which two major organ systems does lithium impact?
Kidneys and thyroid
Name three major drug interactions that increase lithium levels.
NSAIDs, thiazide diuretics, ACE inhibitors
Which mood stabilizer is most associated with neural tube defects in pregnancy?
Valproate (Depakote)
What labs should you monitor for valproate use?
LFTs, CBC (platelets), valproate levels
What are common side effects of valproate?
Weight gain, GI upset, tremor, hepatotoxicity, thrombocytopenia
Which mood stabilizer can cause Stevens-Johnson syndrome, especially when started too fast?
Lamotrigine (Lamictal)
How do you safely start lamotrigine to prevent rash?
Titrate slowly over weeks
What is a unique benefit of lamotrigine for bipolar disorder?
Strong efficacy in bipolar depression (vs mania)
What’s the biggest safety concern when combining lamotrigine with valproate?
Increased risk of severe rash (valproate raises lamotrigine levels)
Which mood stabilizer is associated with hyponatremia and autoinduction of metabolism?
Carbamazepine (Tegretol)
What labs should be monitored for carbamazepine?
CBC, LFTs, sodium levels, carbamazepine levels
What genetic test is recommended before prescribing carbamazepine to Asian patients?
HLA-B*1502 allele (risk of Stevens-Johnson syndrome)
Which mood stabilizers are anticonvulsants used off-label for bipolar disorder?
Valproate, lamotrigine, carbamazepine
Which mood stabilizer has the highest teratogenic risk?
Valproate (neural tube defects, cognitive issues)
Which mood stabilizer is safest in pregnancy (if one must be used)?
Lamotrigine (category C, but generally safer than others)
What is the brand name for lithium?
Lithobid
What is the generic name for Lithobid?
Lithium