Must Know Flashcards
Dosing for lithium
Start at 300 mg PO daily
Increased by 300 mg every 1 to 5 days
Maximum of900 to 1800 mg per day as b.i.d.
Monitoring for lithium
Check levels 4-5 days after initial dose and after every dose change.
Then every week for two weeks.
Then every one to three months.
Check TSH and creatinine q6m
Lithium side effects
Epstein’s anomaly
G.I. symptoms Tremor, headache, nephrogenic diabetes insipidus, renal toxicity Call me to impairment Hypothyroidism, hypercalcemia Cardiac dysrhythmias, increased QT
Quetiapine dosing for mania
Extended release 300 mg PO Q HS
Titrate up by 100 mg every 7 days
Max 400 to 800 mg per day
Quetiapine side effects
Weight gain, prolonged QT, EPS, NMS, sedation, HAM side effects
Quetiapine monitoring for acute mania
Annual AIMS exam
Valproic acid dosing
Start at 250 mg PO BID
Increased by 250 mg every 1 to 3 days
Maximum 1500-2500 milligrammes daily as b.i.d.
Valproic acid monitoring
Target serum level 50 to 125 mcg/mL’s
Monitor valproic acid serum levels every 3 to 4 days after dose changes, then every six months, then every 2 to 3 times per year
Metabolic profile
– Get ammonia level if delirious
CBC, liver function test, DEXA, serum testosterone
Valproic acid side effects
Neural tube defect’s
G.I. symptoms
Tremor, ataxia, dysarthria,
Hair loss, easy bruising, probably cytopenia,
CNS: Cong An to changes, sedation
Sexual dysfunction
Hepatotoxicity, haemorrhagic pancreatitis, encephalopathy
Menstrual changes
Increase in testosterone may cause polycystic ovarian syndrome and women
What do we use for maintenance phase of bipolar disorder?
Lamotrigene
Lamotrigene dosing
Start at 12.5 mg PO BID for two weeks
Then go to 25 mg PO b.i.d. for two weeks
Increase by 25 to 50 mg daily every week
Maximum 50 to 200 mg daily
Monitoring for lamotrigene
None
Lamotrigene Side effects
CNS: call me to blunting, sedation, dizziness, headache
Tremor, ataxia, and diplopia,
G.I.: nausea and vomiting, diarrhoea, anti-cholinergic effects
STEVENS-JOHNSON SYNDROME
Risperidone side effects
Blood abnormalities No electric malignant syndrome QT prolongation Sedation EPS Orthostatic hypotension Sexual dysfunction Metabolic symptoms
Treatment for major neurocognitive disorder caused by Alzheimer’s disease
Mild to moderate
Galantamine