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RxPrep
Bipolar disorder
| Question | Answer |
|---|---|
| First-line for acute mania? | Antipsychotic OR lithium OR valproate |
| Preferred for severe mania? | Antipsychotic + lithium or valproate |
| First-line for bipolar depression? | Antipsychotic (quetiapine mainly) |
| Alternatives for bipolar depression? | Lithium, valproate, lamotrigine |
| Maintenance therapy includes? | Lithium, antiseizure drugs, SGAs |
| Can antidepressants be used alone in bipolar? | NO, SSRIs/SNRIs/wellbutrin can cause mania + serotonin syndrome risk |
| Therapeutic lithium range? | 0.6–1.2 mEq/L |
| Acute mania lithium target? | Up to 1.5 mEq/L initially |
| Lithium toxicity level? | >1.5 toxicity >2.5 severe toxicity |
| Lithium main ADRs? | N/D, tremors, polyuria, weight gain, hypothyroid, hypercalcemia, arrhythmias |
| Lithium toxicity symptoms? | Early: GI upset, tremors Moderate: ataxia, more tremors Severe toxicity: CNS depression, arrhythmias, seizires, coma |
| Lithium labs to monitor? | Lithium level, renal function, thyroid function |
| Electrolytes to monitor on lithium? | Calcium*, potassium, sodium |
| Drugs that increase lithium levels? | ACE inhibitors, ARBs, thiazides, NSAIDs |
| NSAIDs that are safer with lithium? | Aspirin and sulindac |
| What decreases lithium levels? | Caffeine, theophylline, ↑ salt intake |
| What condition increases lithium levels? | Dehydration |
| Lithium has an increased risk of neurotoxicity with what other drugs? | Carbamazepine, phenytoin, and verapamil/diltiazem |
| Main counseling points for lithium? | Consistent salt intake, maintain hydration, take with food |
| Can lithium be used in pregnancy? | NO, congenital cardiac defects |
| Best bipolar meds for pregnancy? | *Lurasidone (best one) Other SGAs are generally good too |
| Which SGAs are used for bipolar? | Aripiprazole, olanzapine, quetiapine, risperidone, lurasidone, ziprasidone |
| What is the first line option for acute depressive episodes? | Olanzipine + fluoxetine* (do not use while on lithium) |
| Dose lithium need renal dosing? | Yes, toxicity risk in renal impairment |
| Can antidepressants ever be used in bipolar? | Yes, but not with lithium, and must give with a mood stabilizer (SGA). |