Changes

| add = valproic acid

| info =

* This combination of drugs may have possible synergistic effects. However, this combination will also have additive side effects. Dose adaptation will be recommended for this combination. <ref> {{Pubmed|18579216|Vieta E at al, Efficacy and safety of quetiapine in combination with lithium or divalproex for maintenance of patients with bipolar I disorder (international trial 126). J Affect Disord. 2008 Aug;109(3):251-63. Epub 2008 Jun 24}}</ref>

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