Dear Sir I Have Done My HIV Test After 90

Dear sir I have done my HIV test after 90 days of exposer with HIV ag/ab combo test with CIMA method and at 99 days with rapid HIV antibody test. I want to know that I have to go again test at six months test or I am safe from that exposer. In between I had take azithromicin and amoxicilin 625 mg can this affects my test result.