If 3 days have still not gone by since the last high risk contact, a possibility exists which consists in administrating anti-HIV medication to dramatically reduce the possibilities of infection. This treatment is not for everybody, nor for all kinds of sexual contacts but ….
– if you have had vaginal or anal sex with someone who you know has HIV
– if you have had passive anal sex with someone with an unknown HIV status
It may be possible that you are a candidate. You must go to the Emergency of any hospital in the first 72 hours and ask for their help.