I had flu like symptoms about a week after oral sex with my girlfriend. These symptoms persisted for about two months and included swollen lymph nodes in neck, swollen and puss covered tonsils, fever (lasted a few days) and aches and pains. I was diagnosed with strep twice, despite the negative strep tests. Eventually, the doctor took some blood and it tested positive for mono (I presume from the heterophile test).
However, in the past two months I have gotten recurrent and constant mouth ulcers. They have seemed to last longer than usual and I have not been ulcer free in two months.
I took a oral HIV test at 9 weeks and it was negative.
I have read that HIV can produce heterophile antibodies that will trigger a false positive mono test and that ulcers are a sign of early HIV. I have also read you can get HIV from oral sex. My question is, are both of these things true and might I have HIV?