Introduction: Mood stabilizer (MS) plus antipsychotic (AP) co-treatment is common in patients with acute bipolar disorder (BD), but adverse effects (AEs) of this strategy have not been systematically reviewed.
Areas Covered: We conducted a systematic review searching PubMed/MEDLINE and PsycINFO on April 1, 2015 for randomized trials in ≥ 20 adults with acute manic/mixed or depressed BD comparing MS or AP monotherapy with their combination that reported quantitative AE data. Pooled together, MS+AP versus MS monotherapy (studies = 18, n = 4419) was associated with significantly higher burden regarding 21/53 (39.