Table 3: Dosing and relative side effects of medications used for treatment of bipolar disorder.

Medication

Initial Dosing (mg)*

Typical Therapeutic Dose Range (mg)

Weight Gain, Glucose, and Lipid Abnormalities

QTc Prolongation

Hypotension

Sedation

Anticholinergic Effects

Mood Stabilizers:

Lithium

 

1800

 

 

 

 

 

900 - 1800

Level (mania):

1 - 1.5 mEq/L

Level (maintenance): 0.6 - 1.2 mEq/L

 

+

 

 

 

0

 

 

 

0

 

 

0/+

 

 

 

 

0/+

Anticonvulsants:

Valproic Acid

750

 

Up to 60 mg/kg/day

Level: 50 - 125 cg/mL

+

 

0

 

+

 

++

 

0/+

 

Lamotrigine

25

100 - 200

+

0

0

+

++

Atypical Antipsychotics:

Aripiprazole

30

10 - 30

0

0

0

0/+

0

Risperidone

3

2 - 8

++

+

0

+

0

Olanzapine

10 - 15

10 - 30

+++

0

+

++

++

Quetiapine

100

300 - 800

++

+

+

++

++

Ziprasidone

80

120 - 200

0

++

0

+

0

 

0 = No risk or rarely causes side effects at therapeutic dose.  + = Mild or occasionally causes side effects at therapeutic dose.   ++ = Sometimes causes side effects at therapeutic dose.  +++ = Frequently causes side effects at therapeutic dose.

*Lower starting doses may be indicated for elderly patients, patients with hepatic or renal impairment, or patients taking other medications with potential drug-drug interactions.