据《The New England Journal of Medicine》1997年336卷第17期报道 新生儿作包皮环切不使用止痛剂是疼痛的。Taddio医生等人对新生儿作环切时使用5％的利多卡因-丙胺卡因(lidocaine-Prilocaine)乳膏的镇痛作用和安全性进行了一项双盲、随机,对照研究。68名足月产男婴,38名接受利多卡 According to “The New England Journal of Medicine,” Volume 336, Issue 17, 1997, Newborns reported that circumcision without painkillers is painful. A double-blind, randomized, controlled study was conducted on the analgesic effect and safety of a 5% lidocaine-prilocaine cream when the newborn was circumcised by Taddio et al. 68 full-term baby boy, 38 Lidoca