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四环素是一类广谱抗生素。由于其适应症多,在抗细菌性感染中使用较广泛。又因为孕期和婴幼儿时期的生理特点,如果对此类药物使用不当,可导致某些毒副作用的发生,甚至造成严重后果。一、四环素类抗生索对胎儿的影晌、过去认为胎盘屏障可以阻止大多数药物通过。现己证明:绝大多数药物在血浓度较高的情况下,或多或少均可通过胎盘到达胎儿,有的可使胎儿明
Tetracycline is a broad-spectrum antibiotic. Because of its indications, the use of anti-bacterial infection is more widely used. Because of physiological characteristics during pregnancy and infants and young children, if improper use of such drugs, can lead to some of the toxic side effects, or even cause serious consequences. First, the tetracycline antibiotic cable affect the fetus, the past that the placental barrier can prevent the passage of most drugs. It has been proved: the vast majority of drugs in the case of higher blood concentrations, more or less can reach the fetus through the placenta, and some can make fetal Ming