text: 有些遗传代谢病在婴儿早期即可有典型表现，如在新生儿期出现喂养困难、呼吸异常、酸中毒、高氨血症、黄疸不退、脱水、电解质异常、持续呕吐、低血糖、肝大、惊厥以及尿中有持续臭味，对于不能用一般疾病解释的临床表现，应疑为遗传代谢病，并做进一步检查。
entities.entity: 喂养困难
entities.label: sym
entities.entity: 呼吸异常
entities.label: sym
entities.entity: 酸中毒
entities.label: sym
entities.entity: 高氨血症
entities.label: sym
entities.entity: 黄疸不退
entities.label: sym
entities.entity: 脱水
entities.label: sym
entities.entity: 电解质异常
entities.label: sym
entities.entity: 持续呕吐
entities.label: sym
entities.entity: 低血糖
entities.label: sym
entities.entity: 肝大
entities.label: sym
entities.entity: 惊厥
entities.label: sym
entities.entity: 尿中有持续臭味
entities.label: sym
entities.entity: 遗传代谢病
entities.label: dis