I hooked up with a guy 5 days ago and performed unprotected oral on him, he ejaculated in my mouth, I then proceeded to spit it out and rinse my mouth with water. We had protected vaginal sex after. A few days later I had a dry cough and my throat felt a little dry and swollen but other than that I was in no pain. Tonight I noticed a cluster of tiny red bumps on the back of my wrist with one noticeably large bump in the center. They don't itch, only if I scratch them. Could this be an ARS rash? I am extremely scared about having been exposed to HIV and cannot go to get test as it's only been five days. I have been feeling a little nauseous, but only for a few minutes and then it goes away. There is no fever or anything I don't feel sick like I have the flu? There was a sore spot on the tip of my tongue though the day after the sexual encounter, but there was no bump or redness of any kind. I have been having the lump in my throat sensation but I know that's probably from anxiety about possibly having an STD? Could the rash be from ARS?