How long do you wait after unprotected sex before STD screening?

Depends. It depends on which kind of std. For hiv, even if you are infected, it takes a few months to identify the viruses by the lab test. But for some bacterial infection, you can take the tests in a few days.
Anytime. Some stds will be able to be discovered after infection, so an exam and testing atanytine is helpful. Others like HIV and syphilis can take months to show up. However, if your behavior puts you at risk for stds, seek a physician consult now, not later...

Related Questions

When after unprotected sex do you have to wait before STD screening?

1wk to 6 months. Different stds have different intubation periods. It ranges from one week for gonorrhea, trichomonas and chlamydia to 6 months for hiv. That is why you must be very careful whom you take as a sex partner. Syphilis and hepatitis take about 6 weeks to detect. Discuss the specifics with your doctor. Read more...