The causes of elevated blood sugar on psychotropic drugs include increasing appetite and causing metabolic syndrome. 1. Increased appetite: Many antipsychotics can increase appetite. After taking anti-psychotics, there may be hyperphagia, and after eating too much, it may cause blood sugar to rise, and it is easy to develop diabetes. 2. Cause metabolic syndrome: If you take psychotropic drugs, such as risperidone, olanzapine, clozapine, etc., while playing a therapeutic role, its side effects are also more prominent. It can cause metabolic syndrome such as weight gain, elevated blood glucose and blood lipids. It can cause pharmacologic diabetes. If severe elevation of blood sugar occurs, treatment with hypoglycemic drugs is required. Eating psychotropic drugs can increase blood sugar need to clarify the specific causes, and under the guidance of the doctor to adjust the medication or treatment. And pay attention to diet control.