You don't know a lot about HIV; so, why do you spread misinformations? I know you didn't do that on purpose, but please, check your informations before. It can cause terrible anxiety.
So, often, they are no symptom at all of HIV. ARS can give flu-like manifestations, but in this case, it can't be linked with HIV since it is not a risky situation.
No one has ever been infected with HIV through insertive oral sex. Stress can cause decline of the immune system; therefore, some infections can appear easily when someone endures some nervous period.
I wouldn't wait online looking for answers. What you have sounds like the early stages of HIV however Im no doctor, Im sure there are several other things that can mock this. Usually early signs of HIV cause a rash on the torso area. You would feel very tired. Also it is hard to contract HIV through oral sex. Saliva does not carry the virus. It is spread through blood and genital fluids