Q and A

Question

If PEP is 28 days does this mean PrEP is just for one day?

I know that PEP is for 28 days after exposure but does this mean PrEP before and after that means 1 day?

Answer

Hi

No, PreP includes more that just one pill.

PrEP can be dosed in different ways and includes both before and after doses.

Most people take PrEP as a daily pill, every day.

Some people – only men – can take PrEP just when they think they will have sex. This is called event-based dosing and the “before” dose is very important.

More information about PrEP including options for dosing are in this guide.

6 comments

  1. Lisa Thorley

    Hi Ashley,

    If your partner is on medication and their viral load is undetectable there’s no need to use PrEP. Please see here: http://i-base.info/u-equals-u/ If their viral load is detectable then yes you could try PrEP or stick with condoms.

  2. ashley

    Hi my name is Ashley my partner is HIV and am HIV negative I didn’t know he has HIV I went for test two weeks after we had sex twice can i use prep plz assist me plz

  3. Roy Trevelion

    Hi Yaw,

    This is fine. Taking PEP for an extra 2 days will not make a difference to its effectiveness.

  4. Yaw

    My doctor prescribed Kaletra and Combivir as PEP for 28 days but I took it for 30 days . Can this affect the effectiveness of the medications ???

  5. Lisa Thorley
  6. Chika

    Hi,

    I will like to understand repeated HIV testing after PEP

    I took PEP for 30 days, 20hrs after exposure and after baseline Hiv test was negative.
    I ran HIV test on the 30th day counting from the first day I started PEP (i.e the day the PEP finished).
    I ran confirmatory test 91 days counting from the first day i started PEP.

    All tests were negative…is this procedure right from my doctor?

    Thanks

    Chika

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