Quetiapine is believed to be less likely to cause tardive dyskinesia than typical antipsychotics. However, as with other antipsychotics, there is evidence implying that quetiapine may cause tardive dyskinesia. [
Studies conducted on beagles have resulted in the formation of cataracts, however, there has been no report describing this effect within humans. Common side effects include: agitation, memory problems, sedation, and an upset stomach. More information on side effects can be found at NIH's profile of the medication.