hihi. i think is just some anxiety symptoms or maybe ur body is too heaty. i also have the same worries as u? but i dun have swollen lymph nodes. i juz feel slight abdominal cramp like those that lasted for sec... ya.. i was told mine as no risk too cause mine was oral sex only. i did my test on the 10-11th week period i guess and was negative. i am going to test again on the 13th week :)
you had PROTECTED sex and were NEVER at risk for contracting hiv.
If lymph node is really swollen You can see it, dont worry mate they are called nodes so You can feel them all over , cuz its a node! and it doesnt mean they swollen, I can feel nodes on neck, groin and armpit and aint got no hiv, so relax or just get tested like I did..helps a lot, take care