很多资料证明大剂量使用维生素会出现危害。作者报道,过量应用维生素B_6能引起严重的神经毒性。 7名患者自己每天口服2g以上维生素B_6,出现严重的感觉神经疾病,其中有4人严重伤残,但停药后都能恢复。其中有一典型病例:女,27岁,两年前开始口服维生素B_(6)治疗月经前浮肿,剂量为500mg/日,一年后又增加剂量达5g/日,患者逐渐行动不稳,四肢感觉障碍。停药后两个月症状改善,7个月后走路才不用手杖。 A lot of data prove that high doses of vitamins will be harmful. The authors report that overdosing vitamin B_6 can cause severe neurotoxicity. Seven patients daily oral administration of more than 2g of vitamin B_6, a serious sensory nerve disease, of which 4 were severely disabled, but can recover after withdrawal. There is a typical case: female, 27 years old, started oral administration of vitamin B_ (6) two years ago to treat the edema before menstruation at a dose of 500mg / day and a year later to increase the dose of 5g / day, patients gradually instability, limbs feeling obstacle. Two months after discontinuation of symptoms improved, walking after 7 months without a cane.