Syphilis and AIDS can be tested at the same time, and blood can be drawn for both. Both tests are not affected by eating, which means that no fasting is required for syphilis and HIV tests, so you can go to the hospital and register with the department of infectious diseases or the department of infectious diseases if you want to be tested for syphilis and HIV. Syphilis tests are usually a confirmatory test for syphilis or a syphilis titer, while HIV tests for HIV antigens and antibodies, which are relatively accurate. Syphilis can be treated with penicillin, while AIDS can be treated with antiviral drugs to inhibit the replication of the virus, so that the patient can remain in a state close to normal.