I am a male guy i had a seconds come in and out immediately intercourse with my ex, then she disclosed to me that she is positive. i started worried befofore she even disclosed this to me. thinking of all this things i started to wory seriously, i was not that serous headeach but when i thin too much this headeach comes like wana kill me, i only sweat if i think about this, my stomach are having this bad sounds & cramps, my tounger is dry, i hardly go to a toilet, i dont have appetite, my chest is also painful at my left side, then i start doing many hiv tests, i exposed on the 16 September 2011, i even change different medication from different Drs, because the first one said is ulcer, depresion, and stress, the other one said is depression and gave me some vitamins, appetite tablets and sleeping tablets, change of medication can also cause this? the last time i had my test was on the 2nd December 2011 (11th week) all became negetive. now i m in 12 weeks, is it possible fo my results change? please help my people. i m so scared realy, please help,