I m a male from Scandinavia but I m in the UK for a few weeks at a time at regular intervals due to work. I ve just done something stupid and engaged in fellatio and cunnilingus with someone without using protection. I have a long-term partner at home and this is my first transgression on that relationship. Aside from being horribly ashamed of what I ve done I am now dead scared I may have caught something and do not want to pass it on. I m not to conserned about HIV or Herpes as neither one of us had any visible sores or wounds on or around our genetalia or mouths. However, I am conserned about Chlamydia and Gonorrhea. I ve had Chlamydia before and it was completely silent. I didn t have any symptoms for months and only found out because someone else started having symptoms. The thing is, I only have a few days before I go back home (where certain things will be expected of me) and don t really have time for results from a check. Would it be possible and/or advicable to get the antibiotics for C and G without the results and use them as a just in case treatment?