Can I stop PEP after 25 days?

PEP is given for 28 days. If source person testing is negative for HIV, PEP can be stopped before 28 days. During the follow-up period, especially the first 6-12 weeks, exposed healthcare workers should undertake precautions to prevent further transmission of HIV. They should not donate blood, tissue, semen, or organs.

How effective is PEP after 60 hours?

PEP should be initiated as soon as possible “hours, not days” and ideally within 24-36 hours. There is no evidence of PEP efficacy when initiated past 72 hours.

How common is PEP failure?

First-time PEP consults, older and male patients were also more adherent to treatment. Ten treated patients seroconverted (0.37\%) during the study period, yet only 1 case can be attributed to PEP failure (failure rate = 0.04\%).

How long does PEP stay in your body?

Efavirenz can last in the system for days but the levels will drop over that time. You need to get tested at 4 weeks and 12 weeks after your exposure. The PEP will not effect your 12 week results. So, if they are negative, you do not have HIV.

Can you take PEP for 14 days?

You only need to take PEP for a month (28 days). If you become HIV positive you may have to take anti-HIV treatments for a lifetime.

Can PEP still work after 72 hours?

The sooner you take PEP, the more likely it is that it will prevent you from becoming infected with HIV. If you wait more than 72 hours, you are not eligible for PEP. Research has shown that PEP does not work after 72 hours because HIV infection could already occur. However, you still should get tested for HIV.

What can make PEP fail?

Not starting PEP promptly. Missing doses of PEP or not finishing the 28-day course. A viral strain that is resistant to drugs used in PEP. Use of antiretroviral drugs which have sub-optimal penetration of the genital tract (these drugs are no longer recommended)

Can PEP be taken after 72 hours?

If taken within 72 hours after possible exposure, PEP is highly effective in preventing HIV. But to be safe, you should take other actions to protect your partners while you are taking PEP.

How effective is PEP after 72 hours?

You must start PEP within 72 hours (3 days) after you were exposed to HIV. The sooner you start it, the better. It has little to no effect if you start it 3 days or more after exposure. PEP can lower your risk of HIV infection by 80\% if you take it as your doctor prescribes.

Can I test positive while on PEP?

After a course of PEP you need to wait 28 days before testing for HIV. This is because PEP can delay infection. During the time on PEP, the meds might be keeping your viral load undetectable.