Thank you for reading and answering this post. Exactly 1 month ago, I had unsave insertive oral sex with a prostitute for over 20 minuts. Since 1 week, I am having lasting sore throat and a "light" and non pruritic skin rash on back, breast and arms. No fever, no diarrhea, no fatigue, no vomits, nothing strange on mouth or genitals and no other symptoms, except may be for swollen lymph nodes (how to check them?). Syphilis, gonorrhea and Hepatitis tests are negative.