朴大昌:大佬，您不是写prep吃21天后见效?
fz3 lV 还是如本文所说7天就可以?
(2025-07-07 13:17) 
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!E-Pa5s 请参照美国CDC的白纸黑字
=Od v8yhn )5.C]4jol PrEP greatly reduces your chance of getting HIV from sex or injection drug use.
LT,? $I D^-7JbE] For receptive anal sex (bottoming), PrEP pills reach maximum protection from HIV at about 7 days of daily use.
JB&\i# 2"d!(J6}K For receptive vaginal sex and injection drug use, PrEP pills reach maximum protection at about 21 days of daily use.
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&frUQm bQZ*r {g No data are available for PrEP pill effectiveness for insertive anal sex (topping) or insertive vaginal sex.
s9>(Jzcf9 %Jf<l&K .` 肛交7天
5&e<#" 女人被插阴道21天
>Z;jY* 男人也就是插的那一方，是没有数据的，是的，他们其实没有数据
7]%Ypv$ E3 *\
^Q_ 如过要保险一点那么就21天，大胆点就7天，反正他们说了很多边了211不建议
|P .6< "sKa` WN} Although the updated PrEP guideline provides information on how to correctly use the "2-1-1" schedule, this approach is not approved by the U.S. Food and Drug Administration (FDA) and is not recommended by CDC. Taking PrEP as prescribed is currently the only FDA-approved schedule for taking PrEP to prevent HIV.
