维生素Ｂ６过去认为是一种安全的水溶性维生素，一般无神经毒性，因此常被大剂量用于治疗原发性腕管综合症、精神分裂症、儿童孤独症及多动症等。剂量为：０．３～３克／日。　　近年来有资料表明，过量使用维生素Ｂ６可引起一些不良反应。突出的不良反应是导致感觉性神经变性 Vitamin B6 used to be considered a safe, water-soluble vitamin and is generally non-toxic and therefore often used in large doses to treat primary carpal tunnel syndrome, schizophrenia, autism and ADHD in children. Dose: 0.3 ~ 3 g / day. In recent years, some data show that excessive use of vitamin B6 can cause some adverse reactions. Prominent adverse reactions lead to sensory neurodegeneration