We’ve come a long way from 1987, when AZT (azidothymidine), the first HIV treatment, was approved for the public. It was this pivotal moment that gave millions of people hope for the fight against the virus. Even though it was a great first step, treatment was still very limited, and prevention wasn’t possible yet.
AZT does not prevent or cure AIDS, but helps slow the progression of HIV, which causes AIDS.
Today, through extensive research, progress has brought about countless methods that not only treat HIV, but can entirely prevent it. Two of the most effective tools are PrEP (Pre-Exposure Prophylaxis) and PEP (Post-Exposure Prophylaxis). PrEP is taken before any possible exposure, either daily or by injection. It builds a strong defense in the body, which can help fight the virus. When correctly used, it can reduce the risk of HIV from sex by about 99%. It acts as a shield before the virus has any chance to enter.
In contrast, PEP is a response, while PrEP offers planned protection. PEP is used after possible exposure. It is an emergency method designed for situations like a condom break or accidental contact with blood. To be effective, it must be started within 72 hours and taken 28 days. While PrEP offers planned protection, PEP is as a response.
Each method has its own limitations. PrEP can fail, if not taken consistently, and PEP can fail, if it is started too late or if the full 28-day course is not fully completed. A key benefit of PrEP over PEP is that it offers steady, long-term protection, while PEP is reactive and cannot be relied on for repeated risks, although it is more convenient and less time consuming.
It is very important to note that you cannot take both at the same time. They each serve different purposes. PrEP is for ongoing prevention, and PEP is only for emergencies. It is important to decide which is best for you, before making the decision to begin PrEP or PEP.
Recent medical advances show just how far we’ve come and give hope for an even brighter future towards the end goal of erasing HIV for good. To start PrEP or PEP, access is available through clinics, community centers, and government programs like Ready, Set, PrEP.
For more guidance and locations, visit HIV Testing Sites & Care Services Locator.
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