My Step Daughter Had A Couple Of Psychotic Episodes, Was

My step daughter had a couple of psychotic episodes, was involuntarily sent for 16 days to a mental institute for evaluation. She was released with her promise to tale Geodon 60 mg. For was I was reading about the drug, she needs to have a blood test to check her potassium but she didn't have any. Should she see her doctor first and check her blood?