| add = quetiapine
| info =
{{CombinationNotLikely}}
* 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.
| start =
* Start quetiapine according to the general dosing advice.{{IrrationalCombiAP}}
| cave =
* Agents with anticholinergic properties may have additive effects when used in combination. <ref name="drugscomdrugscominteract">{{Drugscominteract|olanzapine-with-quetiapine-1979-12740-1744-11130|olanzapine|quetiapine}}</ref>
}}