How long should you wait before making changes after initiating an antipsychotic? The current study tested if early efficacy on an antipsychotic predicts subsequent efficacy, and its findings indicate benefits may be observed as quickly as two weeks. 

Highly prolactin-elevating antipsychotics, like haloperidol, risperidone, and paliperidone, are associated with an elevated risk of breast cancer, particularly among young women.

We know prenatal lithium exposure increases the risk of heart defects in newborns. By keeping lithium doses and blood levels under certain cut-off points, we can reduce this risk, according to this large meta-analysis.