l?/span>生素A q?/span>量服用媄?/span>?/span>q儿骨的?/span>Ԍ?/span>?/span>?/span>l?/span>胞造成不可?/span>?/span>的破坏?/span>?/span>q儿1ơ服7.5-30万国际单位，可于数小?/span>?/span>?/span>生急性中毒。表?/span>?/span>?/span>?/span>?/span>增高?/span>主要特征Q前?/span>?/span>而隆Pq?/span>?/span>兴奋?/span>?/span>痛?/span>?/span>吐?/span>?/span>食及?/span>?/span>?/span>?/span>?/span>{?/span>6个月??/span>?/span>?/span>q儿中毒?/span>生率最高?/span>?/span>生中毒后?/span>立即停服l?/span>生素AQ一般无需其它?/span>?/span>?/span>?/span>q儿忌超量用?/span>
l?/span>生素D ?/span>q儿?/span>?/span>q?/span>量所引v的后果，比自w佝ȝ?/span>Z重?/span>l?/span>生素Dh?/span>U?/span>性，引v中毒?/span>?/span>量个?/span>?/span>差异甚大。小?/span>?/span>日服?/span>1-3万国际单位数周或数月?/span>?/span>生中毒?/span>?/span>生中毒后?/span>?/span>?/span>?/span>?/span>?/span>钙剂Qƈ?/span>?/span>松?/span>?/span>1毫克/公斤体重?/span>?/span>Q用?/span>?/span>间应定期?/span>血?/span>钙?/span>Q超出正?/span>值应立即?/span>?/span>?/span>
l?/span>生素C 乛_接受?/span>?/span>?/span>l?/span>生素C后往往会出?/span>乏力、血板增多?/span>?/span>?/span>?/span>?/span>q?/span>、消化不良、不安、皮痒、荨ȝ、Q?/span>{，乛_?/span>慎用?/span>
l?/span>生素K 最重要的不良反?/span>是黄疸和栔R疸。早?/span>儿或低体重儿使用l?/span>生素k3?/span>?/span>?/span>?/span>大，可引h生儿溶血性黄疸、高?/span>U?/span>素血症，?/span>重病例可?/span>生核黄疸。可能由于肝脏酶p?/span>l?/span>不完善所致。因此，一般早?/span>儿及低体重儿使用l?/span>生素K?/span>?/span>?/span>于10毫克?/span>
l?/span>生素E 可引h生儿坏死性小?/span>炎。旱?/span>?/span>?/span>?/span>l?/span>生素E?/span>?/span>慎，因其可坏死性小肠结?/span>?/span>?/span>病率增高Q血清大?/span>3.5毫克?/span>更易?/span>生?/span>
l?/span>生素m(?/span>?/span>) ?/span>?/span>量服用敏感儿童?/span>癫痫?/span>作次数增加。因?/span>癫痫儿童不宜?/span>?/span>量服用， ?/span>?/span>?/span>?/span>?/span>?/span>l药?/span>
