So, had brief encounter with sex worker. I am a male and she a female, just for clarity and accuracy of response though I'm confident that this is irrelevant. In any case, I received oral sex lasting only a couple minutes then shortly after completed with handjob. Anyway, that night I had extreme regrets as this not something I regularly do, only once before. So in my anxious state, I thought it best to be proactive and see if I could prevent any full infection from developing. I took 1500mg of Clarithromycin ER, and 1875mg of Amoxicillin that night. The following morning took another 1gm of the Niacin ER & 1375mg of Amoxicillin. Still on Day 2 (only 24 post exposure) took 500mg B