How Soon After Exposure Can You Test for STDs?
Each STD has a different window period.
Earliest Detection
- HIV RNA: 9–11 days
- Chlamydia/Gonorrhea: 1–2 weeks
- HIV 4th-gen: 18–45 days
- Syphilis: 3–6 weeks
- Herpes blood: 4–6 weeks
If You Test Too Early
- False negative
- Need re-testing at correct window
Recommended Approach
- Test at 2 weeks for bacterial
- HIV at 6 weeks and 3 months
- If PEP started, follow up as directed
Source: CDC, American Sexual Health Association.
Ratings summarize government-reported measures — they don't capture your personal needs. Visit the facility, ask about staffing and services, and use CMS checklists. This profile is informational only and is not a recommendation.
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