question: I gave rimming and almost 2 weeks later my lips and the tip of my tongue have been constantly burning, I have been to see a doctor but forgot to tell about the rimming. He did prescribe me a course of cephalexin 500mg 2 tablets twice a day this was a 10 day course to which Ive now finished though still have a burning sensation to my lips and the tip of my tongue, could this be a std or something more serious?????