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正常人每日需锌量与年龄有关。初生～6个月为3mg,～11个月5mg,1～10岁10mg,11～13岁13mg,成人10～15mg,孕妇25mg,哺乳妇女30～40mg。动物性食物含锌较多(牡蛎含量尤多)。常进食肉、蛋、乳者,一般不出现摄入量不足的现象,而以植物性食物为主(尤其是精制米、面、糖者)可导致缺锌。缺锌患儿如饮食中蛋白质足量,可每日服锌(醋酸锌较硫酸锌效果好)10～20mg。常用0.2～1%硫酸锌糖浆,用法2～6mg/kg·日,饭后服,一般以4周为1个疗程,疗效不显著者,可延长至8周,总之用药时间因病而异。锌在儿科临床的应用(一)锌治疗异食癖及厌食症异食癖是指嗜好进食非食性物质的患儿。国内有用硫酸锌治疗116例患儿的报道,显效91.2%,治后血锌提高,患儿味觉敏锐度显著升高。
Normal daily amount of zinc needed is related to age. Newborn ~ 6 months for the 3mg, ~ 11 months 5mg, 1 ~ 10 years old 10mg, 11 ~ 13 years old 13mg, adults 10 ~ 15mg, pregnant women 25mg, lactating women 30 ~ 40mg. Zinc animal food more (oyster content is more). Often eat meat, eggs, milk, generally do not appear inadequate intake of the phenomenon, while the main plant foods (especially refined rice, flour, sugar) can lead to zinc deficiency. Zinc deficiency in children, such as adequate diet protein, daily serving zinc (zinc acetate better than zinc sulfate) 10 ~ 20mg. Commonly used 0.2 to 1% zinc sulfate syrup, usage 2 ~ 6mg / kg · day, after meals, usually 4 weeks for a course of treatment, curative effect is not significant, can be extended to 8 weeks, in short medication time varies according to illness. Clinical Application of Zinc in Pediatrics (I) Zinc treatment of pica and anorexia Pica is the hobby of eating non-food substances in children. Domestic useful zinc sulfate treatment of 116 cases of children reported, markedly 91.2%, after treatment of blood zinc increased significantly increased children’s sense of taste sensitivity.