Hypokalemia Caused by Quetiapine and Risperidone Treatment in Schizophrenia: A Case Report

Hypokalemiacan cause abnormalities in multiple systems. Long term use of antipsychoticmedications can lead to electrolyte imbalance, including hypokalemia. We report a 49-year-old female patient with schizophrenia who developed hypokalemiaafter oral quetiapineand risperidonetreatments. Her blood potassiumbecame normal after she switched to another antipsychoticdrug ( amisulpride). In addition, we discuss the potential mechanism of antipsychoticdrugs leading to hypokalemiaand clinical cautions.