Severe protein malnutrition, especially in children after weaning, characterized by lethargy, growth retardation, anemia, edema, potbelly, depigmentation of the skin, and loss of hair or change in hair color.

• 严重营养不良病严重的蛋白质缺乏症，尤见于刚断奶的儿童，症状为嗜睡、生长迟缓、贫血、水肿、腹部肿大、皮肤色素消失、脱发或毛发变色