I had protected sex with prostitute on June 10 2015 and I had a fear for about hiv and I had a test at 1 month it was negative and and after that i had test again wester blot is negative after 3 months I was tested and negative and another test was took in December it was negative and I had came up jaundice at that time and I had met with an accident in Jan 2016 and after that i had swollen testicles left testicle is swollen doctor gave me the dec 100 tablets for 3 months and after exact 1 year i have tested again hiv 2016 june it was negative my doubt is that any medicine affect the test result and swollen testis is std or sti i don't getting orelse with the needle which I tested is wrong i am full of fear kindly say that i am having hiv