How Long After Sex Should You Get Tested?
Testing too early can produce false negatives.
Windows
- Chlamydia/Gonorrhea: 1–2 weeks
- HIV RNA: 9–11 days
- HIV antibody: 18–45 days
- Syphilis: 3–6 weeks
- Herpes blood: 4–6 weeks
Guidelines
- Test 2 weeks after exposure for bacterial
- Re-test HIV at 6 weeks and 3 months
- Annual if under 25 or multiple partners
Source: CDC, American Sexual Health Association.
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