Two weeks ago, I received unprotected oral sex and anal fingering by an unknown status male. We also did mutual masturbation. He then ejaculated on my chest. I started to feel a tightness in my neck only on my left side. if i did get hiv, would all my lymphnodes swell or just a selected few. My chest and my face are a little red. Could this be an ars rash? any input will be greatly appreciated. Should I get tested also? Thank you.