陪拉格病亦称烟酸缺乏症或糙皮病,是由于营养物质缺乏所引起,目前已鲜见。现报告一例如下。男,11岁,自幼偏食,不吃蔬菜和水果,经常腹泻。近八个月来说话吐字不清,步态蹒跚,二眼视物不清。面部及四肢暴露部位皮肤干燥、搔痒、脱屑变为黑褐色。曾多次经神经科医治无效。近半个月患儿嗜 Llaggacy also known as niacin deficiency or pellagra, is due to lack of nutrients caused, has been rare. Here is an example of the report. Male, 11 years old, partial eclipse from childhood, do not eat vegetables and fruits, often diarrhea. Nearly eight months to speak unclear articulation, staggering gait, two eyes blurred. Exposed areas of the face and limbs, dry skin, itching, scaling became dark brown. Has repeatedly by Department of Neurology invalid. Nearly half of children with childhood addiction