事后避孕药的时间

来自刘立宁医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：紧急避孕药是事后72小时之内服用有效，紧急避孕药一个月之内不能超过一次，一年之内不能超过三次，不能乱吃，以后尽量用安全套避孕

刘立宁

副主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：刚和男朋友过完性生活，男友忘记带套了，去买的时候避孕药。一般时候避孕药要在多长时间吃才有效？在此期间进行性生活，还用吃药吗?