How Do STD Tests Work? Medically reviewed by Debra Sullivan, Ph.D., MSN, R.N., CNE, COI — Written by The Healthline Editorial Team and Breanna Mona — Updated on January 31, 2024.

How Do At-Home STD Tests Work? Home tests for STDs are sold over the counter (OTC) or can be ordered by mail. The tests have instructions and all the material needed to collect a specimen.

At-home STI tests can be convenient and discreet. See our choices for the top online STD test providers, here.

How long does it take for an STD to show up and when can people test for them? Read on to find out about the incubation and window periods of STIs.