Brexpiprazole (Rexulti) Cariprazine (Vraylar) Clozapine (Clozaril) Iloperidone (Fanapt) Olanzapine (Zyprexa) Paliperidone (Invega) Quetiapine (Seroquel) Risperidone (Risperdal) Ziprasidone (Geodon) These drugs block a brain chemical called dopamine. That can lead to muscle stiffness and rigid movements...