With drugs that can prevent hiv after the fact, does that mean you can do whatever you want? Is it better to just take the drug if there is a risk?
Thanks for the invitation!
There are indeed examples in many major cities of people taking anti-HIV drugs to avoid HIV infection after engaging in high-risk behavior. However, these medications are prescription drugs, and the average hospital does not have all the medications needed.
Getting back on topic, is it true that you can do whatever you want if you take anti-HIV medication? The answer is no. Why? First of all, the only antiretroviral treatment for HIV is blockade medication, which is the same as the normal treatment regimen. Secondly, the blocking effect of the drug is directly related to the level of exposure, which means that taking antiviral drugs after high-risk behaviors can minimize the risk of infection, but it does not prevent 100% of infections from occurring. So don't pin your hopes on taking antivirals after the fact, but rather clean up your act and regulate your behavior is the best prevention.
It's called prevention if you take it beforehand, and blocking if you take it afterward. You have to take it within 72 hours of the occurrence of the event and take it for 30 days in order to effectively block it, and if you take it for more than 72 hours, you may fail to block it! This is different from contraception, don't think so simple!
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