The presence of sorbitol in the cerebrospinal fluid of patients having psychiatric diseases and disorders or having neurological diseases or disorders is known. The use of compounds to prevent the accumulation of sorbitol in the central nervous system and brain for these patients are useful in the treatment of these diseases and disorders. Aldose reductase inhibitors are one type of compound useful in preventing the accumulation of sorbitol. Furthermore, one can administer aldose reductase inhibitors to prevent these diseases or disorders and to alleviate the symptoms of these diseases and disorders. The types of psychiatric diseases and disorders that can be treated or prevented include bipolar disorder, major depression, schizoaffective disorder, schizophrenia, dementia of elderly, affective psychoses, and episodic Axis II psychotic conditions. The types of neurological diseases and disorders that can be treated or prevented include multiple sclerosis, amyotrophic lateral sclerosis, and Alzheimer disease.
                            患有精神疾病或紊乱或患有神经疾病或紊乱的患者的脑脊液中存在
山梨醇的情况是已知的。使用化合物来防止这些患者的中枢神经系统和大脑中
山梨醇的积累对于治疗这些疾病和紊乱是有用的。醛糖还原酶
抑制剂是可用于防止
山梨醇积累的一种化合物类型。此外,可以给患者服用醛糖还原酶
抑制剂以预防这些疾病或紊乱,并缓解这些疾病或紊乱的症状。可以治疗或预防的精神疾病和紊乱类型包括双相障碍、重度抑郁症、精神分裂症、老年痴呆症、情感性精神病和偶发性II轴 psychotic conditions。可以治疗或预防的神经疾病和紊乱类型包括多发性硬化症、肌萎缩侧索硬化症和阿尔茨海默病。