Patients with paranoid personality disorder also need treatment. In addition to medication, some antipsychotic drugs can be used for his symptoms, such as suspicion to a delusional degree. In addition, if anxiety and depression are more serious, anti-anxiety drugs and antidepressants, such as fluoxetine and paroxetine, can be taken. In addition, it may be more important to take psychotherapy to help them. Of course, with age and experience, there will be some improvement in interpersonal relationships.