Question
Has on-demand Prep worked?
12 June 2023. Related: Adherence, All topics, PrEP.
Hi all. Today I should take the second dose of PrEP pills for 2-1-1 PrEP on-demand. But I delayed and took the second dose after 2 hours I should take. (1st day 2 pills on 3am but I took the second dose on 8.30 am next day).
Will this still work and should I start PEP immediately due to the delay of taking the second dose in 2-1-1 PrEP on demand?
Answer
Hi, how are you doing?
As the first dose of PrEP is a double dose, there is enough PrEP in your body to account for being a few hours late on the second day.
Take your final dose at the time you took your first dose e.g., 3 am.
Being late on the second dose after a double dose is unlikely to reduce how effective PrEP is.
You do not need to be taking PEP.
Josh.
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